Home / 1,253,114.85-1,729,300.47-680,155.26

Finding the Fourth Proportional to 1,253,114.85, 1,729,300.47 and 680,155.26

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Solution

The fourth proportional to 1,253,114.85, 1,729,300.47 and 680,155.26 is: 938,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,114.85 : 1,729,300.47 = 680,155.26 : x
  2. Step 2: Convert to fraction form
    1,253,114.85/1,729,300.47 = 680,155.26/x
  3. Step 3: Cross multiply
    1,253,114.85x = 1,729,300.47 × 680,155.26
  4. Step 4: Simplify right side
    1,253,114.85x = 1,176,192,810,790.97
  5. Step 5: Solve for x
    x = 1,176,192,810,790.97/1,253,114.85
  6. Step 6: Final answer
    x = 938,615.33

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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.