Home / 539,116.20-807,248.70-432,001.80

Finding the Fourth Proportional to 539,116.20, 807,248.70 and 432,001.80

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Solution

The fourth proportional to 539,116.20, 807,248.70 and 432,001.80 is: 646,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,116.20 : 807,248.70 = 432,001.80 : x
  2. Step 2: Convert to fraction form
    539,116.20/807,248.70 = 432,001.80/x
  3. Step 3: Cross multiply
    539,116.20x = 807,248.70 × 432,001.80
  4. Step 4: Simplify right side
    539,116.20x = 348,732,891,447.66
  5. Step 5: Solve for x
    x = 348,732,891,447.66/539,116.20
  6. Step 6: Final answer
    x = 646,860.35

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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.