Home / 1,253,478.97-1,729,800.97-680,519.15

Finding the Fourth Proportional to 1,253,478.97, 1,729,800.97 and 680,519.15

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Solution

The fourth proportional to 1,253,478.97, 1,729,800.97 and 680,519.15 is: 939,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,478.97 : 1,729,800.97 = 680,519.15 : x
  2. Step 2: Convert to fraction form
    1,253,478.97/1,729,800.97 = 680,519.15/x
  3. Step 3: Cross multiply
    1,253,478.97x = 1,729,800.97 × 680,519.15
  4. Step 4: Simplify right side
    1,253,478.97x = 1,177,162,677,044.96
  5. Step 5: Solve for x
    x = 1,177,162,677,044.96/1,253,478.97
  6. Step 6: Final answer
    x = 939,116.41

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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.