Home / 588,658.20-882,080.10-438,192.60

Finding the Fourth Proportional to 588,658.20, 882,080.10 and 438,192.60

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Solution

The fourth proportional to 588,658.20, 882,080.10 and 438,192.60 is: 656,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,658.20 : 882,080.10 = 438,192.60 : x
  2. Step 2: Convert to fraction form
    588,658.20/882,080.10 = 438,192.60/x
  3. Step 3: Cross multiply
    588,658.20x = 882,080.10 × 438,192.60
  4. Step 4: Simplify right side
    588,658.20x = 386,520,972,427.26
  5. Step 5: Solve for x
    x = 386,520,972,427.26/588,658.20
  6. Step 6: Final answer
    x = 656,613.59

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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.