Home / 1,291,053.69-1,781,618.31-702,333.61

Finding the Fourth Proportional to 1,291,053.69, 1,781,618.31 and 702,333.61

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Solution

The fourth proportional to 1,291,053.69, 1,781,618.31 and 702,333.61 is: 969,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,053.69 : 1,781,618.31 = 702,333.61 : x
  2. Step 2: Convert to fraction form
    1,291,053.69/1,781,618.31 = 702,333.61/x
  3. Step 3: Cross multiply
    1,291,053.69x = 1,781,618.31 × 702,333.61
  4. Step 4: Simplify right side
    1,291,053.69x = 1,251,290,414,850.35
  5. Step 5: Solve for x
    x = 1,251,290,414,850.35/1,291,053.69
  6. Step 6: Final answer
    x = 969,200.91

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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.