Home / 782,227.33-1,171,356.28-655,534.42

Finding the Fourth Proportional to 782,227.33, 1,171,356.28 and 655,534.42

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Solution

The fourth proportional to 782,227.33, 1,171,356.28 and 655,534.42 is: 981,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,227.33 : 1,171,356.28 = 655,534.42 : x
  2. Step 2: Convert to fraction form
    782,227.33/1,171,356.28 = 655,534.42/x
  3. Step 3: Cross multiply
    782,227.33x = 1,171,356.28 × 655,534.42
  4. Step 4: Simplify right side
    782,227.33x = 767,864,359,623.16
  5. Step 5: Solve for x
    x = 767,864,359,623.16/782,227.33
  6. Step 6: Final answer
    x = 981,638.37

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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.