Home / 447,161.31-617,082.17-256,175.46

Finding the Fourth Proportional to 447,161.31, 617,082.17 and 256,175.46

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Solution

The fourth proportional to 447,161.31, 617,082.17 and 256,175.46 is: 353,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,161.31 : 617,082.17 = 256,175.46 : x
  2. Step 2: Convert to fraction form
    447,161.31/617,082.17 = 256,175.46/x
  3. Step 3: Cross multiply
    447,161.31x = 617,082.17 × 256,175.46
  4. Step 4: Simplify right side
    447,161.31x = 158,081,307,476.67
  5. Step 5: Solve for x
    x = 158,081,307,476.67/447,161.31
  6. Step 6: Final answer
    x = 353,521.88

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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.