Home / 718,211.14-1,077,228.92-185,687.57

Finding the Fourth Proportional to 718,211.14, 1,077,228.92 and 185,687.57

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Solution

The fourth proportional to 718,211.14, 1,077,228.92 and 185,687.57 is: 278,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,211.14 : 1,077,228.92 = 185,687.57 : x
  2. Step 2: Convert to fraction form
    718,211.14/1,077,228.92 = 185,687.57/x
  3. Step 3: Cross multiply
    718,211.14x = 1,077,228.92 × 185,687.57
  4. Step 4: Simplify right side
    718,211.14x = 200,028,023,645.82
  5. Step 5: Solve for x
    x = 200,028,023,645.82/718,211.14
  6. Step 6: Final answer
    x = 278,508.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.