Home / 1,707,116.20-2,555,144.70-1,331,103.40

Finding the Fourth Proportional to 1,707,116.20, 2,555,144.70 and 1,331,103.40

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Solution

The fourth proportional to 1,707,116.20, 2,555,144.70 and 1,331,103.40 is: 1,992,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,116.20 : 2,555,144.70 = 1,331,103.40 : x
  2. Step 2: Convert to fraction form
    1,707,116.20/2,555,144.70 = 1,331,103.40/x
  3. Step 3: Cross multiply
    1,707,116.20x = 2,555,144.70 × 1,331,103.40
  4. Step 4: Simplify right side
    1,707,116.20x = 3,401,161,797,661.98
  5. Step 5: Solve for x
    x = 3,401,161,797,661.98/1,707,116.20
  6. Step 6: Final answer
    x = 1,992,343.46

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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.