Home / 1,151,575.38-1,589,221.11-635,388.71

Finding the Fourth Proportional to 1,151,575.38, 1,589,221.11 and 635,388.71

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Solution

The fourth proportional to 1,151,575.38, 1,589,221.11 and 635,388.71 is: 876,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,575.38 : 1,589,221.11 = 635,388.71 : x
  2. Step 2: Convert to fraction form
    1,151,575.38/1,589,221.11 = 635,388.71/x
  3. Step 3: Cross multiply
    1,151,575.38x = 1,589,221.11 × 635,388.71
  4. Step 4: Simplify right side
    1,151,575.38x = 1,009,773,147,014.62
  5. Step 5: Solve for x
    x = 1,009,773,147,014.62/1,151,575.38
  6. Step 6: Final answer
    x = 876,862.39

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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.