Home / 812,760.28-1,121,559.82-450,162.97

Finding the Fourth Proportional to 812,760.28, 1,121,559.82 and 450,162.97

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Solution

The fourth proportional to 812,760.28, 1,121,559.82 and 450,162.97 is: 621,197.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,760.28 : 1,121,559.82 = 450,162.97 : x
  2. Step 2: Convert to fraction form
    812,760.28/1,121,559.82 = 450,162.97/x
  3. Step 3: Cross multiply
    812,760.28x = 1,121,559.82 × 450,162.97
  4. Step 4: Simplify right side
    812,760.28x = 504,884,695,674.56
  5. Step 5: Solve for x
    x = 504,884,695,674.56/812,760.28
  6. Step 6: Final answer
    x = 621,197.55

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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.