Home / 948,293.70-1,422,440.55-498,840.90

Finding the Fourth Proportional to 948,293.70, 1,422,440.55 and 498,840.90

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Solution

The fourth proportional to 948,293.70, 1,422,440.55 and 498,840.90 is: 748,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,293.70 : 1,422,440.55 = 498,840.90 : x
  2. Step 2: Convert to fraction form
    948,293.70/1,422,440.55 = 498,840.90/x
  3. Step 3: Cross multiply
    948,293.70x = 1,422,440.55 × 498,840.90
  4. Step 4: Simplify right side
    948,293.70x = 709,571,524,158.50
  5. Step 5: Solve for x
    x = 709,571,524,158.50/948,293.70
  6. Step 6: Final answer
    x = 748,261.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.