Home / 394,016.32-591,107.52-127,756.08

Finding the Fourth Proportional to 394,016.32, 591,107.52 and 127,756.08

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Solution

The fourth proportional to 394,016.32, 591,107.52 and 127,756.08 is: 191,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,016.32 : 591,107.52 = 127,756.08 : x
  2. Step 2: Convert to fraction form
    394,016.32/591,107.52 = 127,756.08/x
  3. Step 3: Cross multiply
    394,016.32x = 591,107.52 × 127,756.08
  4. Step 4: Simplify right side
    394,016.32x = 75,517,579,613.72
  5. Step 5: Solve for x
    x = 75,517,579,613.72/394,016.32
  6. Step 6: Final answer
    x = 191,661.04

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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.