Home / 379,732.13-523,839.27-250,534.43

Finding the Fourth Proportional to 379,732.13, 523,839.27 and 250,534.43

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Solution

The fourth proportional to 379,732.13, 523,839.27 and 250,534.43 is: 345,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,732.13 : 523,839.27 = 250,534.43 : x
  2. Step 2: Convert to fraction form
    379,732.13/523,839.27 = 250,534.43/x
  3. Step 3: Cross multiply
    379,732.13x = 523,839.27 × 250,534.43
  4. Step 4: Simplify right side
    379,732.13x = 131,239,770,301.87
  5. Step 5: Solve for x
    x = 131,239,770,301.87/379,732.13
  6. Step 6: Final answer
    x = 345,611.45

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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.