Home / 1,707,120.70-2,555,151.45-1,331,107.90

Finding the Fourth Proportional to 1,707,120.70, 2,555,151.45 and 1,331,107.90

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Solution

The fourth proportional to 1,707,120.70, 2,555,151.45 and 1,331,107.90 is: 1,992,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,120.70 : 2,555,151.45 = 1,331,107.90 : x
  2. Step 2: Convert to fraction form
    1,707,120.70/2,555,151.45 = 1,331,107.90/x
  3. Step 3: Cross multiply
    1,707,120.70x = 2,555,151.45 × 1,331,107.90
  4. Step 4: Simplify right side
    1,707,120.70x = 3,401,182,280,791.46
  5. Step 5: Solve for x
    x = 3,401,182,280,791.46/1,707,120.70
  6. Step 6: Final answer
    x = 1,992,350.21

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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.