Home / 1,253,077.97-1,729,249.31-680,118.17

Finding the Fourth Proportional to 1,253,077.97, 1,729,249.31 and 680,118.17

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Solution

The fourth proportional to 1,253,077.97, 1,729,249.31 and 680,118.17 is: 938,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,077.97 : 1,729,249.31 = 680,118.17 : x
  2. Step 2: Convert to fraction form
    1,253,077.97/1,729,249.31 = 680,118.17/x
  3. Step 3: Cross multiply
    1,253,077.97x = 1,729,249.31 × 680,118.17
  4. Step 4: Simplify right side
    1,253,077.97x = 1,176,093,872,790.37
  5. Step 5: Solve for x
    x = 1,176,093,872,790.37/1,253,077.97
  6. Step 6: Final answer
    x = 938,564.00

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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.