Home / 327,739.20-491,608.80-194,550.90

Finding the Fourth Proportional to 327,739.20, 491,608.80 and 194,550.90

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Solution

The fourth proportional to 327,739.20, 491,608.80 and 194,550.90 is: 291,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,739.20 : 491,608.80 = 194,550.90 : x
  2. Step 2: Convert to fraction form
    327,739.20/491,608.80 = 194,550.90/x
  3. Step 3: Cross multiply
    327,739.20x = 491,608.80 × 194,550.90
  4. Step 4: Simplify right side
    327,739.20x = 95,642,934,487.92
  5. Step 5: Solve for x
    x = 95,642,934,487.92/327,739.20
  6. Step 6: Final answer
    x = 291,826.35

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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.