Home / 1,253,789.66-1,730,233.24-680,839.40

Finding the Fourth Proportional to 1,253,789.66, 1,730,233.24 and 680,839.40

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Solution

The fourth proportional to 1,253,789.66, 1,730,233.24 and 680,839.40 is: 939,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,789.66 : 1,730,233.24 = 680,839.40 : x
  2. Step 2: Convert to fraction form
    1,253,789.66/1,730,233.24 = 680,839.40/x
  3. Step 3: Cross multiply
    1,253,789.66x = 1,730,233.24 × 680,839.40
  4. Step 4: Simplify right side
    1,253,789.66x = 1,178,010,960,981.66
  5. Step 5: Solve for x
    x = 1,178,010,960,981.66/1,253,789.66
  6. Step 6: Final answer
    x = 939,560.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.