Home / 1,253,990.52-1,730,517.09-681,034.80

Finding the Fourth Proportional to 1,253,990.52, 1,730,517.09 and 681,034.80

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Solution

The fourth proportional to 1,253,990.52, 1,730,517.09 and 681,034.80 is: 939,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,990.52 : 1,730,517.09 = 681,034.80 : x
  2. Step 2: Convert to fraction form
    1,253,990.52/1,730,517.09 = 681,034.80/x
  3. Step 3: Cross multiply
    1,253,990.52x = 1,730,517.09 × 681,034.80
  4. Step 4: Simplify right side
    1,253,990.52x = 1,178,542,360,284.73
  5. Step 5: Solve for x
    x = 1,178,542,360,284.73/1,253,990.52
  6. Step 6: Final answer
    x = 939,833.55

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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.