Home / 567,229.91-782,767.14-309,109.10

Finding the Fourth Proportional to 567,229.91, 782,767.14 and 309,109.10

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Solution

The fourth proportional to 567,229.91, 782,767.14 and 309,109.10 is: 426,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,229.91 : 782,767.14 = 309,109.10 : x
  2. Step 2: Convert to fraction form
    567,229.91/782,767.14 = 309,109.10/x
  3. Step 3: Cross multiply
    567,229.91x = 782,767.14 × 309,109.10
  4. Step 4: Simplify right side
    567,229.91x = 241,960,446,154.97
  5. Step 5: Solve for x
    x = 241,960,446,154.97/567,229.91
  6. Step 6: Final answer
    x = 426,565.03

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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.