Home / 809,766.80-1,213,872.60-629,752.40

Finding the Fourth Proportional to 809,766.80, 1,213,872.60 and 629,752.40

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Solution

The fourth proportional to 809,766.80, 1,213,872.60 and 629,752.40 is: 944,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,766.80 : 1,213,872.60 = 629,752.40 : x
  2. Step 2: Convert to fraction form
    809,766.80/1,213,872.60 = 629,752.40/x
  3. Step 3: Cross multiply
    809,766.80x = 1,213,872.60 × 629,752.40
  4. Step 4: Simplify right side
    809,766.80x = 764,439,183,144.24
  5. Step 5: Solve for x
    x = 764,439,183,144.24/809,766.80
  6. Step 6: Final answer
    x = 944,023.86

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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.