Home / 1,172,285.88-1,758,375.94-488,891.28

Finding the Fourth Proportional to 1,172,285.88, 1,758,375.94 and 488,891.28

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Solution

The fourth proportional to 1,172,285.88, 1,758,375.94 and 488,891.28 is: 733,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,285.88 : 1,758,375.94 = 488,891.28 : x
  2. Step 2: Convert to fraction form
    1,172,285.88/1,758,375.94 = 488,891.28/x
  3. Step 3: Cross multiply
    1,172,285.88x = 1,758,375.94 × 488,891.28
  4. Step 4: Simplify right side
    1,172,285.88x = 859,654,664,027.80
  5. Step 5: Solve for x
    x = 859,654,664,027.80/1,172,285.88
  6. Step 6: Final answer
    x = 733,314.87

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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.