Home / 868,753.28-1,198,879.89-529,221.53

Finding the Fourth Proportional to 868,753.28, 1,198,879.89 and 529,221.53

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Solution

The fourth proportional to 868,753.28, 1,198,879.89 and 529,221.53 is: 730,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,753.28 : 1,198,879.89 = 529,221.53 : x
  2. Step 2: Convert to fraction form
    868,753.28/1,198,879.89 = 529,221.53/x
  3. Step 3: Cross multiply
    868,753.28x = 1,198,879.89 × 529,221.53
  4. Step 4: Simplify right side
    868,753.28x = 634,473,049,672.03
  5. Step 5: Solve for x
    x = 634,473,049,672.03/868,753.28
  6. Step 6: Final answer
    x = 730,325.93

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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.