Home / 1,205,613.20-1,808,722.20-531,822.80

Finding the Fourth Proportional to 1,205,613.20, 1,808,722.20 and 531,822.80

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Solution

The fourth proportional to 1,205,613.20, 1,808,722.20 and 531,822.80 is: 797,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,613.20 : 1,808,722.20 = 531,822.80 : x
  2. Step 2: Convert to fraction form
    1,205,613.20/1,808,722.20 = 531,822.80/x
  3. Step 3: Cross multiply
    1,205,613.20x = 1,808,722.20 × 531,822.80
  4. Step 4: Simplify right side
    1,205,613.20x = 961,919,704,826.16
  5. Step 5: Solve for x
    x = 961,919,704,826.16/1,205,613.20
  6. Step 6: Final answer
    x = 797,867.60

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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.