Home / 1,287,846.92-1,930,983.06-614,134.28

Finding the Fourth Proportional to 1,287,846.92, 1,930,983.06 and 614,134.28

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Solution

The fourth proportional to 1,287,846.92, 1,930,983.06 and 614,134.28 is: 920,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,846.92 : 1,930,983.06 = 614,134.28 : x
  2. Step 2: Convert to fraction form
    1,287,846.92/1,930,983.06 = 614,134.28/x
  3. Step 3: Cross multiply
    1,287,846.92x = 1,930,983.06 × 614,134.28
  4. Step 4: Simplify right side
    1,287,846.92x = 1,185,882,891,245.30
  5. Step 5: Solve for x
    x = 1,185,882,891,245.30/1,287,846.92
  6. Step 6: Final answer
    x = 920,825.97

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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.