Home / 732,452.10-1,098,678.15-519,875.70

Finding the Fourth Proportional to 732,452.10, 1,098,678.15 and 519,875.70

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Solution

The fourth proportional to 732,452.10, 1,098,678.15 and 519,875.70 is: 779,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,452.10 : 1,098,678.15 = 519,875.70 : x
  2. Step 2: Convert to fraction form
    732,452.10/1,098,678.15 = 519,875.70/x
  3. Step 3: Cross multiply
    732,452.10x = 1,098,678.15 × 519,875.70
  4. Step 4: Simplify right side
    732,452.10x = 571,176,072,305.96
  5. Step 5: Solve for x
    x = 571,176,072,305.96/732,452.10
  6. Step 6: Final answer
    x = 779,813.55

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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.