Home / 1,217,659.14-1,826,469.72-418,947.66

Finding the Fourth Proportional to 1,217,659.14, 1,826,469.72 and 418,947.66

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Solution

The fourth proportional to 1,217,659.14, 1,826,469.72 and 418,947.66 is: 628,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,659.14 : 1,826,469.72 = 418,947.66 : x
  2. Step 2: Convert to fraction form
    1,217,659.14/1,826,469.72 = 418,947.66/x
  3. Step 3: Cross multiply
    1,217,659.14x = 1,826,469.72 × 418,947.66
  4. Step 4: Simplify right side
    1,217,659.14x = 765,195,215,254.86
  5. Step 5: Solve for x
    x = 765,195,215,254.86/1,217,659.14
  6. Step 6: Final answer
    x = 628,414.96

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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.