Home / 394,074.56-591,194.92-127,814.36

Finding the Fourth Proportional to 394,074.56, 591,194.92 and 127,814.36

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Solution

The fourth proportional to 394,074.56, 591,194.92 and 127,814.36 is: 191,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,074.56 : 591,194.92 = 127,814.36 : x
  2. Step 2: Convert to fraction form
    394,074.56/591,194.92 = 127,814.36/x
  3. Step 3: Cross multiply
    394,074.56x = 591,194.92 × 127,814.36
  4. Step 4: Simplify right side
    394,074.56x = 75,563,200,335.05
  5. Step 5: Solve for x
    x = 75,563,200,335.05/394,074.56
  6. Step 6: Final answer
    x = 191,748.49

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1.5x scale

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.