Home / 588,040.13-811,780.52-394,377.00

Finding the Fourth Proportional to 588,040.13, 811,780.52 and 394,377.00

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Solution

The fourth proportional to 588,040.13, 811,780.52 and 394,377.00 is: 544,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,040.13 : 811,780.52 = 394,377.00 : x
  2. Step 2: Convert to fraction form
    588,040.13/811,780.52 = 394,377.00/x
  3. Step 3: Cross multiply
    588,040.13x = 811,780.52 × 394,377.00
  4. Step 4: Simplify right side
    588,040.13x = 320,147,567,350.02
  5. Step 5: Solve for x
    x = 320,147,567,350.02/588,040.13
  6. Step 6: Final answer
    x = 544,431.50

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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.