Home / 394,066.13-591,043.77-127,828.98

Finding the Fourth Proportional to 394,066.13, 591,043.77 and 127,828.98

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Solution

The fourth proportional to 394,066.13, 591,043.77 and 127,828.98 is: 191,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,066.13 : 591,043.77 = 127,828.98 : x
  2. Step 2: Convert to fraction form
    394,066.13/591,043.77 = 127,828.98/x
  3. Step 3: Cross multiply
    394,066.13x = 591,043.77 × 127,828.98
  4. Step 4: Simplify right side
    394,066.13x = 75,552,522,254.45
  5. Step 5: Solve for x
    x = 75,552,522,254.45/394,066.13
  6. Step 6: Final answer
    x = 191,725.49

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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.