Home / 1,253,038.10-1,729,193.31-680,078.27

Finding the Fourth Proportional to 1,253,038.10, 1,729,193.31 and 680,078.27

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Solution

The fourth proportional to 1,253,038.10, 1,729,193.31 and 680,078.27 is: 938,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,038.10 : 1,729,193.31 = 680,078.27 : x
  2. Step 2: Convert to fraction form
    1,253,038.10/1,729,193.31 = 680,078.27/x
  3. Step 3: Cross multiply
    1,253,038.10x = 1,729,193.31 × 680,078.27
  4. Step 4: Simplify right side
    1,253,038.10x = 1,175,986,786,114.41
  5. Step 5: Solve for x
    x = 1,175,986,786,114.41/1,253,038.10
  6. Step 6: Final answer
    x = 938,508.41

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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.