Home / 1,113,811.40-1,670,717.10-325,843.40

Finding the Fourth Proportional to 1,113,811.40, 1,670,717.10 and 325,843.40

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Solution

The fourth proportional to 1,113,811.40, 1,670,717.10 and 325,843.40 is: 488,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,811.40 : 1,670,717.10 = 325,843.40 : x
  2. Step 2: Convert to fraction form
    1,113,811.40/1,670,717.10 = 325,843.40/x
  3. Step 3: Cross multiply
    1,113,811.40x = 1,670,717.10 × 325,843.40
  4. Step 4: Simplify right side
    1,113,811.40x = 544,392,140,302.14
  5. Step 5: Solve for x
    x = 544,392,140,302.14/1,113,811.40
  6. Step 6: Final answer
    x = 488,765.10

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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.