Home / 1,253,314.77-1,729,576.58-680,355.33

Finding the Fourth Proportional to 1,253,314.77, 1,729,576.58 and 680,355.33

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Solution

The fourth proportional to 1,253,314.77, 1,729,576.58 and 680,355.33 is: 938,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,314.77 : 1,729,576.58 = 680,355.33 : x
  2. Step 2: Convert to fraction form
    1,253,314.77/1,729,576.58 = 680,355.33/x
  3. Step 3: Cross multiply
    1,253,314.77x = 1,729,576.58 × 680,355.33
  4. Step 4: Simplify right side
    1,253,314.77x = 1,176,726,641,444.39
  5. Step 5: Solve for x
    x = 1,176,726,641,444.39/1,253,314.77
  6. Step 6: Final answer
    x = 938,891.55

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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.