Home / 542,244.38-747,985.59-338,197.28

Finding the Fourth Proportional to 542,244.38, 747,985.59 and 338,197.28

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Solution

The fourth proportional to 542,244.38, 747,985.59 and 338,197.28 is: 466,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,244.38 : 747,985.59 = 338,197.28 : x
  2. Step 2: Convert to fraction form
    542,244.38/747,985.59 = 338,197.28/x
  3. Step 3: Cross multiply
    542,244.38x = 747,985.59 × 338,197.28
  4. Step 4: Simplify right side
    542,244.38x = 252,966,688,277.27
  5. Step 5: Solve for x
    x = 252,966,688,277.27/542,244.38
  6. Step 6: Final answer
    x = 466,517.87

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Double scale
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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.