Home / 418,087.12-576,961.32-227,098.96

Finding the Fourth Proportional to 418,087.12, 576,961.32 and 227,098.96

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Solution

The fourth proportional to 418,087.12, 576,961.32 and 227,098.96 is: 313,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,087.12 : 576,961.32 = 227,098.96 : x
  2. Step 2: Convert to fraction form
    418,087.12/576,961.32 = 227,098.96/x
  3. Step 3: Cross multiply
    418,087.12x = 576,961.32 × 227,098.96
  4. Step 4: Simplify right side
    418,087.12x = 131,027,315,732.23
  5. Step 5: Solve for x
    x = 131,027,315,732.23/418,087.12
  6. Step 6: Final answer
    x = 313,397.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.