Home / 1,761,336.88-2,641,172.42-682,354.78

Finding the Fourth Proportional to 1,761,336.88, 2,641,172.42 and 682,354.78

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Solution

The fourth proportional to 1,761,336.88, 2,641,172.42 and 682,354.78 is: 1,023,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,336.88 : 2,641,172.42 = 682,354.78 : x
  2. Step 2: Convert to fraction form
    1,761,336.88/2,641,172.42 = 682,354.78/x
  3. Step 3: Cross multiply
    1,761,336.88x = 2,641,172.42 × 682,354.78
  4. Step 4: Simplify right side
    1,761,336.88x = 1,802,216,625,591.17
  5. Step 5: Solve for x
    x = 1,802,216,625,591.17/1,761,336.88
  6. Step 6: Final answer
    x = 1,023,209.50

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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.