Home / 588,234.57-811,696.95-330,077.71

Finding the Fourth Proportional to 588,234.57, 811,696.95 and 330,077.71

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Solution

The fourth proportional to 588,234.57, 811,696.95 and 330,077.71 is: 455,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,234.57 : 811,696.95 = 330,077.71 : x
  2. Step 2: Convert to fraction form
    588,234.57/811,696.95 = 330,077.71/x
  3. Step 3: Cross multiply
    588,234.57x = 811,696.95 × 330,077.71
  4. Step 4: Simplify right side
    588,234.57x = 267,923,070,469.99
  5. Step 5: Solve for x
    x = 267,923,070,469.99/588,234.57
  6. Step 6: Final answer
    x = 455,469.78

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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.