Home / 327,864.75-491,468.81-127,910.04

Finding the Fourth Proportional to 327,864.75, 491,468.81 and 127,910.04

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Solution

The fourth proportional to 327,864.75, 491,468.81 and 127,910.04 is: 191,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,864.75 : 491,468.81 = 127,910.04 : x
  2. Step 2: Convert to fraction form
    327,864.75/491,468.81 = 127,910.04/x
  3. Step 3: Cross multiply
    327,864.75x = 491,468.81 × 127,910.04
  4. Step 4: Simplify right side
    327,864.75x = 62,863,794,506.30
  5. Step 5: Solve for x
    x = 62,863,794,506.30/327,864.75
  6. Step 6: Final answer
    x = 191,736.97

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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.