Home / 863,239.06-1,192,022.10-541,502.20

Finding the Fourth Proportional to 863,239.06, 1,192,022.10 and 541,502.20

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Solution

The fourth proportional to 863,239.06, 1,192,022.10 and 541,502.20 is: 747,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,239.06 : 1,192,022.10 = 541,502.20 : x
  2. Step 2: Convert to fraction form
    863,239.06/1,192,022.10 = 541,502.20/x
  3. Step 3: Cross multiply
    863,239.06x = 1,192,022.10 × 541,502.20
  4. Step 4: Simplify right side
    863,239.06x = 645,482,589,598.62
  5. Step 5: Solve for x
    x = 645,482,589,598.62/863,239.06
  6. Step 6: Final answer
    x = 747,744.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.