Home / 1,170,153.70-1,755,230.55-664,519.30

Finding the Fourth Proportional to 1,170,153.70, 1,755,230.55 and 664,519.30

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Solution

The fourth proportional to 1,170,153.70, 1,755,230.55 and 664,519.30 is: 996,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,153.70 : 1,755,230.55 = 664,519.30 : x
  2. Step 2: Convert to fraction form
    1,170,153.70/1,755,230.55 = 664,519.30/x
  3. Step 3: Cross multiply
    1,170,153.70x = 1,755,230.55 × 664,519.30
  4. Step 4: Simplify right side
    1,170,153.70x = 1,166,384,576,424.62
  5. Step 5: Solve for x
    x = 1,166,384,576,424.62/1,170,153.70
  6. Step 6: Final answer
    x = 996,778.95

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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.