Home / 588,236.80-811,743.36-319,965.44

Finding the Fourth Proportional to 588,236.80, 811,743.36 and 319,965.44

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Solution

The fourth proportional to 588,236.80, 811,743.36 and 319,965.44 is: 441,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,236.80 : 811,743.36 = 319,965.44 : x
  2. Step 2: Convert to fraction form
    588,236.80/811,743.36 = 319,965.44/x
  3. Step 3: Cross multiply
    588,236.80x = 811,743.36 × 319,965.44
  4. Step 4: Simplify right side
    588,236.80x = 259,729,821,349.48
  5. Step 5: Solve for x
    x = 259,729,821,349.48/588,236.80
  6. Step 6: Final answer
    x = 441,539.57

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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.