Home / 1,253,079.54-1,729,251.05-680,119.83

Finding the Fourth Proportional to 1,253,079.54, 1,729,251.05 and 680,119.83

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Solution

The fourth proportional to 1,253,079.54, 1,729,251.05 and 680,119.83 is: 938,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,079.54 : 1,729,251.05 = 680,119.83 : x
  2. Step 2: Convert to fraction form
    1,253,079.54/1,729,251.05 = 680,119.83/x
  3. Step 3: Cross multiply
    1,253,079.54x = 1,729,251.05 × 680,119.83
  4. Step 4: Simplify right side
    1,253,079.54x = 1,176,097,926,752.72
  5. Step 5: Solve for x
    x = 1,176,097,926,752.72/1,253,079.54
  6. Step 6: Final answer
    x = 938,566.06

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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.