Home / 327,709.92-491,107.88-247,682.18

Finding the Fourth Proportional to 327,709.92, 491,107.88 and 247,682.18

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Solution

The fourth proportional to 327,709.92, 491,107.88 and 247,682.18 is: 371,177.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,709.92 : 491,107.88 = 247,682.18 : x
  2. Step 2: Convert to fraction form
    327,709.92/491,107.88 = 247,682.18/x
  3. Step 3: Cross multiply
    327,709.92x = 491,107.88 × 247,682.18
  4. Step 4: Simplify right side
    327,709.92x = 121,638,670,333.58
  5. Step 5: Solve for x
    x = 121,638,670,333.58/327,709.92
  6. Step 6: Final answer
    x = 371,177.87

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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.