Home / 327,608.20-491,313.18-127,874.44

Finding the Fourth Proportional to 327,608.20, 491,313.18 and 127,874.44

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Solution

The fourth proportional to 327,608.20, 491,313.18 and 127,874.44 is: 191,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,608.20 : 491,313.18 = 127,874.44 : x
  2. Step 2: Convert to fraction form
    327,608.20/491,313.18 = 127,874.44/x
  3. Step 3: Cross multiply
    327,608.20x = 491,313.18 × 127,874.44
  4. Step 4: Simplify right side
    327,608.20x = 62,826,397,757.12
  5. Step 5: Solve for x
    x = 62,826,397,757.12/327,608.20
  6. Step 6: Final answer
    x = 191,772.97

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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.