Home / 327,588.41-491,385.36-90,949.54

Finding the Fourth Proportional to 327,588.41, 491,385.36 and 90,949.54

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Solution

The fourth proportional to 327,588.41, 491,385.36 and 90,949.54 is: 136,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,588.41 : 491,385.36 = 90,949.54 : x
  2. Step 2: Convert to fraction form
    327,588.41/491,385.36 = 90,949.54/x
  3. Step 3: Cross multiply
    327,588.41x = 491,385.36 × 90,949.54
  4. Step 4: Simplify right side
    327,588.41x = 44,691,272,454.73
  5. Step 5: Solve for x
    x = 44,691,272,454.73/327,588.41
  6. Step 6: Final answer
    x = 136,425.07

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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.