Home / 394,080.58-591,203.94-127,820.38

Finding the Fourth Proportional to 394,080.58, 591,203.94 and 127,820.38

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Solution

The fourth proportional to 394,080.58, 591,203.94 and 127,820.38 is: 191,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,080.58 : 591,203.94 = 127,820.38 : x
  2. Step 2: Convert to fraction form
    394,080.58/591,203.94 = 127,820.38/x
  3. Step 3: Cross multiply
    394,080.58x = 591,203.94 × 127,820.38
  4. Step 4: Simplify right side
    394,080.58x = 75,567,912,268.30
  5. Step 5: Solve for x
    x = 75,567,912,268.30/394,080.58
  6. Step 6: Final answer
    x = 191,757.51

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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.