Home / 1,712,407.22-2,568,730.77-687,737.57

Finding the Fourth Proportional to 1,712,407.22, 2,568,730.77 and 687,737.57

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Solution

The fourth proportional to 1,712,407.22, 2,568,730.77 and 687,737.57 is: 1,031,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,407.22 : 2,568,730.77 = 687,737.57 : x
  2. Step 2: Convert to fraction form
    1,712,407.22/2,568,730.77 = 687,737.57/x
  3. Step 3: Cross multiply
    1,712,407.22x = 2,568,730.77 × 687,737.57
  4. Step 4: Simplify right side
    1,712,407.22x = 1,766,612,664,165.86
  5. Step 5: Solve for x
    x = 1,766,612,664,165.86/1,712,407.22
  6. Step 6: Final answer
    x = 1,031,654.53

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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.