Home / 394,084.08-591,209.19-127,823.88

Finding the Fourth Proportional to 394,084.08, 591,209.19 and 127,823.88

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Solution

The fourth proportional to 394,084.08, 591,209.19 and 127,823.88 is: 191,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,084.08 : 591,209.19 = 127,823.88 : x
  2. Step 2: Convert to fraction form
    394,084.08/591,209.19 = 127,823.88/x
  3. Step 3: Cross multiply
    394,084.08x = 591,209.19 × 127,823.88
  4. Step 4: Simplify right side
    394,084.08x = 75,570,652,557.46
  5. Step 5: Solve for x
    x = 75,570,652,557.46/394,084.08
  6. Step 6: Final answer
    x = 191,762.76

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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.