Home / 588,726.20-882,182.10-438,260.60

Finding the Fourth Proportional to 588,726.20, 882,182.10 and 438,260.60

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Solution

The fourth proportional to 588,726.20, 882,182.10 and 438,260.60 is: 656,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,726.20 : 882,182.10 = 438,260.60 : x
  2. Step 2: Convert to fraction form
    588,726.20/882,182.10 = 438,260.60/x
  3. Step 3: Cross multiply
    588,726.20x = 882,182.10 × 438,260.60
  4. Step 4: Simplify right side
    588,726.20x = 386,625,656,455.26
  5. Step 5: Solve for x
    x = 386,625,656,455.26/588,726.20
  6. Step 6: Final answer
    x = 656,715.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.