Home / 1,086,419.77-1,499,444.83-627,451.85

Finding the Fourth Proportional to 1,086,419.77, 1,499,444.83 and 627,451.85

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Solution

The fourth proportional to 1,086,419.77, 1,499,444.83 and 627,451.85 is: 865,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,419.77 : 1,499,444.83 = 627,451.85 : x
  2. Step 2: Convert to fraction form
    1,086,419.77/1,499,444.83 = 627,451.85/x
  3. Step 3: Cross multiply
    1,086,419.77x = 1,499,444.83 × 627,451.85
  4. Step 4: Simplify right side
    1,086,419.77x = 940,829,432,556.44
  5. Step 5: Solve for x
    x = 940,829,432,556.44/1,086,419.77
  6. Step 6: Final answer
    x = 865,990.71

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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.