Home / 327,713.92-491,113.88-247,686.18

Finding the Fourth Proportional to 327,713.92, 491,113.88 and 247,686.18

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Solution

The fourth proportional to 327,713.92, 491,113.88 and 247,686.18 is: 371,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,713.92 : 491,113.88 = 247,686.18 : x
  2. Step 2: Convert to fraction form
    327,713.92/491,113.88 = 247,686.18/x
  3. Step 3: Cross multiply
    327,713.92x = 491,113.88 × 247,686.18
  4. Step 4: Simplify right side
    327,713.92x = 121,642,120,882.18
  5. Step 5: Solve for x
    x = 121,642,120,882.18/327,713.92
  6. Step 6: Final answer
    x = 371,183.87

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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.