Home / 1,205,609.20-1,808,716.20-531,818.80

Finding the Fourth Proportional to 1,205,609.20, 1,808,716.20 and 531,818.80

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Solution

The fourth proportional to 1,205,609.20, 1,808,716.20 and 531,818.80 is: 797,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,609.20 : 1,808,716.20 = 531,818.80 : x
  2. Step 2: Convert to fraction form
    1,205,609.20/1,808,716.20 = 531,818.80/x
  3. Step 3: Cross multiply
    1,205,609.20x = 1,808,716.20 × 531,818.80
  4. Step 4: Simplify right side
    1,205,609.20x = 961,909,279,024.56
  5. Step 5: Solve for x
    x = 961,909,279,024.56/1,205,609.20
  6. Step 6: Final answer
    x = 797,861.59

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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.