Home / 807,634.80-1,211,452.20-695,441.70

Finding the Fourth Proportional to 807,634.80, 1,211,452.20 and 695,441.70

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Solution

The fourth proportional to 807,634.80, 1,211,452.20 and 695,441.70 is: 1,043,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,634.80 : 1,211,452.20 = 695,441.70 : x
  2. Step 2: Convert to fraction form
    807,634.80/1,211,452.20 = 695,441.70/x
  3. Step 3: Cross multiply
    807,634.80x = 1,211,452.20 × 695,441.70
  4. Step 4: Simplify right side
    807,634.80x = 842,494,377,436.74
  5. Step 5: Solve for x
    x = 842,494,377,436.74/807,634.80
  6. Step 6: Final answer
    x = 1,043,162.55

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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.