Home / 1,170,067.70-1,755,101.55-664,433.30

Finding the Fourth Proportional to 1,170,067.70, 1,755,101.55 and 664,433.30

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Solution

The fourth proportional to 1,170,067.70, 1,755,101.55 and 664,433.30 is: 996,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,067.70 : 1,755,101.55 = 664,433.30 : x
  2. Step 2: Convert to fraction form
    1,170,067.70/1,755,101.55 = 664,433.30/x
  3. Step 3: Cross multiply
    1,170,067.70x = 1,755,101.55 × 664,433.30
  4. Step 4: Simplify right side
    1,170,067.70x = 1,166,147,914,701.62
  5. Step 5: Solve for x
    x = 1,166,147,914,701.62/1,170,067.70
  6. Step 6: Final answer
    x = 996,649.95

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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.