Home / 1,305,732.22-1,960,645.91-1,105,947.04

Finding the Fourth Proportional to 1,305,732.22, 1,960,645.91 and 1,105,947.04

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Solution

The fourth proportional to 1,305,732.22, 1,960,645.91 and 1,105,947.04 is: 1,660,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,732.22 : 1,960,645.91 = 1,105,947.04 : x
  2. Step 2: Convert to fraction form
    1,305,732.22/1,960,645.91 = 1,105,947.04/x
  3. Step 3: Cross multiply
    1,305,732.22x = 1,960,645.91 × 1,105,947.04
  4. Step 4: Simplify right side
    1,305,732.22x = 2,168,370,540,652.61
  5. Step 5: Solve for x
    x = 2,168,370,540,652.61/1,305,732.22
  6. Step 6: Final answer
    x = 1,660,654.85

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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.