Home / 1,707,067.68-2,560,982.52-642,118.56

Finding the Fourth Proportional to 1,707,067.68, 2,560,982.52 and 642,118.56

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Solution

The fourth proportional to 1,707,067.68, 2,560,982.52 and 642,118.56 is: 963,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,067.68 : 2,560,982.52 = 642,118.56 : x
  2. Step 2: Convert to fraction form
    1,707,067.68/2,560,982.52 = 642,118.56/x
  3. Step 3: Cross multiply
    1,707,067.68x = 2,560,982.52 × 642,118.56
  4. Step 4: Simplify right side
    1,707,067.68x = 1,644,454,407,927.57
  5. Step 5: Solve for x
    x = 1,644,454,407,927.57/1,707,067.68
  6. Step 6: Final answer
    x = 963,321.15

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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.