Home / 475,861.13-656,721.76-271,942.17

Finding the Fourth Proportional to 475,861.13, 656,721.76 and 271,942.17

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Solution

The fourth proportional to 475,861.13, 656,721.76 and 271,942.17 is: 375,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,861.13 : 656,721.76 = 271,942.17 : x
  2. Step 2: Convert to fraction form
    475,861.13/656,721.76 = 271,942.17/x
  3. Step 3: Cross multiply
    475,861.13x = 656,721.76 × 271,942.17
  4. Step 4: Simplify right side
    475,861.13x = 178,590,341,911.89
  5. Step 5: Solve for x
    x = 178,590,341,911.89/475,861.13
  6. Step 6: Final answer
    x = 375,299.29

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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.