Home / 2,261,258.76-3,120,549.10-1,228,774.70

Finding the Fourth Proportional to 2,261,258.76, 3,120,549.10 and 1,228,774.70

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Solution

The fourth proportional to 2,261,258.76, 3,120,549.10 and 1,228,774.70 is: 1,695,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,258.76 : 3,120,549.10 = 1,228,774.70 : x
  2. Step 2: Convert to fraction form
    2,261,258.76/3,120,549.10 = 1,228,774.70/x
  3. Step 3: Cross multiply
    2,261,258.76x = 3,120,549.10 × 1,228,774.70
  4. Step 4: Simplify right side
    2,261,258.76x = 3,834,451,784,187.77
  5. Step 5: Solve for x
    x = 3,834,451,784,187.77/2,261,258.76
  6. Step 6: Final answer
    x = 1,695,715.61

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,261,259.76, 3,120,550.48 and 1,228,775.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.