Home / 1,012,876.28-1,397,745.42-560,157.56

Finding the Fourth Proportional to 1,012,876.28, 1,397,745.42 and 560,157.56

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Solution

The fourth proportional to 1,012,876.28, 1,397,745.42 and 560,157.56 is: 773,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,876.28 : 1,397,745.42 = 560,157.56 : x
  2. Step 2: Convert to fraction form
    1,012,876.28/1,397,745.42 = 560,157.56/x
  3. Step 3: Cross multiply
    1,012,876.28x = 1,397,745.42 × 560,157.56
  4. Step 4: Simplify right side
    1,012,876.28x = 782,957,663,968.38
  5. Step 5: Solve for x
    x = 782,957,663,968.38/1,012,876.28
  6. Step 6: Final answer
    x = 773,004.24

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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.