Home / 394,426.20-591,639.30-110,116.20

Finding the Fourth Proportional to 394,426.20, 591,639.30 and 110,116.20

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Solution

The fourth proportional to 394,426.20, 591,639.30 and 110,116.20 is: 165,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,426.20 : 591,639.30 = 110,116.20 : x
  2. Step 2: Convert to fraction form
    394,426.20/591,639.30 = 110,116.20/x
  3. Step 3: Cross multiply
    394,426.20x = 591,639.30 × 110,116.20
  4. Step 4: Simplify right side
    394,426.20x = 65,149,071,486.66
  5. Step 5: Solve for x
    x = 65,149,071,486.66/394,426.20
  6. Step 6: Final answer
    x = 165,174.30

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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.