Home / 1,086,421.06-1,499,446.61-627,453.15

Finding the Fourth Proportional to 1,086,421.06, 1,499,446.61 and 627,453.15

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Solution

The fourth proportional to 1,086,421.06, 1,499,446.61 and 627,453.15 is: 865,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,421.06 : 1,499,446.61 = 627,453.15 : x
  2. Step 2: Convert to fraction form
    1,086,421.06/1,499,446.61 = 627,453.15/x
  3. Step 3: Cross multiply
    1,086,421.06x = 1,499,446.61 × 627,453.15
  4. Step 4: Simplify right side
    1,086,421.06x = 940,832,498,701.32
  5. Step 5: Solve for x
    x = 940,832,498,701.32/1,086,421.06
  6. Step 6: Final answer
    x = 865,992.51

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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.