Home / 729,375.12-1,092,536.79-586,446.44

Finding the Fourth Proportional to 729,375.12, 1,092,536.79 and 586,446.44

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Solution

The fourth proportional to 729,375.12, 1,092,536.79 and 586,446.44 is: 878,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,375.12 : 1,092,536.79 = 586,446.44 : x
  2. Step 2: Convert to fraction form
    729,375.12/1,092,536.79 = 586,446.44/x
  3. Step 3: Cross multiply
    729,375.12x = 1,092,536.79 × 586,446.44
  4. Step 4: Simplify right side
    729,375.12x = 640,714,305,601.84
  5. Step 5: Solve for x
    x = 640,714,305,601.84/729,375.12
  6. Step 6: Final answer
    x = 878,442.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.