Home / 1,132,875.66-1,563,517.71-680,195.82

Finding the Fourth Proportional to 1,132,875.66, 1,563,517.71 and 680,195.82

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Solution

The fourth proportional to 1,132,875.66, 1,563,517.71 and 680,195.82 is: 938,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,875.66 : 1,563,517.71 = 680,195.82 : x
  2. Step 2: Convert to fraction form
    1,132,875.66/1,563,517.71 = 680,195.82/x
  3. Step 3: Cross multiply
    1,132,875.66x = 1,563,517.71 × 680,195.82
  4. Step 4: Simplify right side
    1,132,875.66x = 1,063,498,210,837.97
  5. Step 5: Solve for x
    x = 1,063,498,210,837.97/1,132,875.66
  6. Step 6: Final answer
    x = 938,759.87

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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.