Home / 1,761,292.40-2,641,105.89-682,310.30

Finding the Fourth Proportional to 1,761,292.40, 2,641,105.89 and 682,310.30

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Solution

The fourth proportional to 1,761,292.40, 2,641,105.89 and 682,310.30 is: 1,023,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,292.40 : 2,641,105.89 = 682,310.30 : x
  2. Step 2: Convert to fraction form
    1,761,292.40/2,641,105.89 = 682,310.30/x
  3. Step 3: Cross multiply
    1,761,292.40x = 2,641,105.89 × 682,310.30
  4. Step 4: Simplify right side
    1,761,292.40x = 1,802,053,738,932.14
  5. Step 5: Solve for x
    x = 1,802,053,738,932.14/1,761,292.40
  6. Step 6: Final answer
    x = 1,023,142.86

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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.