Home / 327,678.98-491,588.69-185,591.43

Finding the Fourth Proportional to 327,678.98, 491,588.69 and 185,591.43

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Solution

The fourth proportional to 327,678.98, 491,588.69 and 185,591.43 is: 278,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,678.98 : 491,588.69 = 185,591.43 : x
  2. Step 2: Convert to fraction form
    327,678.98/491,588.69 = 185,591.43/x
  3. Step 3: Cross multiply
    327,678.98x = 491,588.69 × 185,591.43
  4. Step 4: Simplify right side
    327,678.98x = 91,234,647,020.97
  5. Step 5: Solve for x
    x = 91,234,647,020.97/327,678.98
  6. Step 6: Final answer
    x = 278,426.92

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1.5x scale

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.