Home / 1,083,732.20-1,626,519.90-485,613.80

Finding the Fourth Proportional to 1,083,732.20, 1,626,519.90 and 485,613.80

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Solution

The fourth proportional to 1,083,732.20, 1,626,519.90 and 485,613.80 is: 728,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,732.20 : 1,626,519.90 = 485,613.80 : x
  2. Step 2: Convert to fraction form
    1,083,732.20/1,626,519.90 = 485,613.80/x
  3. Step 3: Cross multiply
    1,083,732.20x = 1,626,519.90 × 485,613.80
  4. Step 4: Simplify right side
    1,083,732.20x = 789,860,509,414.62
  5. Step 5: Solve for x
    x = 789,860,509,414.62/1,083,732.20
  6. Step 6: Final answer
    x = 728,833.66

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1.5x scale

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.