Home / 1,253,545.61-1,729,892.90-680,585.83

Finding the Fourth Proportional to 1,253,545.61, 1,729,892.90 and 680,585.83

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Solution

The fourth proportional to 1,253,545.61, 1,729,892.90 and 680,585.83 is: 939,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,545.61 : 1,729,892.90 = 680,585.83 : x
  2. Step 2: Convert to fraction form
    1,253,545.61/1,729,892.90 = 680,585.83/x
  3. Step 3: Cross multiply
    1,253,545.61x = 1,729,892.90 × 680,585.83
  4. Step 4: Simplify right side
    1,253,545.61x = 1,177,340,592,534.34
  5. Step 5: Solve for x
    x = 1,177,340,592,534.34/1,253,545.61
  6. Step 6: Final answer
    x = 939,208.42

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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.