Home / 588,054.20-811,799.96-394,391.09

Finding the Fourth Proportional to 588,054.20, 811,799.96 and 394,391.09

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Solution

The fourth proportional to 588,054.20, 811,799.96 and 394,391.09 is: 544,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,054.20 : 811,799.96 = 394,391.09 : x
  2. Step 2: Convert to fraction form
    588,054.20/811,799.96 = 394,391.09/x
  3. Step 3: Cross multiply
    588,054.20x = 811,799.96 × 394,391.09
  4. Step 4: Simplify right side
    588,054.20x = 320,166,671,143.90
  5. Step 5: Solve for x
    x = 320,166,671,143.90/588,054.20
  6. Step 6: Final answer
    x = 544,450.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.