Home / 495,933.87-743,278.19-268,220.41

Finding the Fourth Proportional to 495,933.87, 743,278.19 and 268,220.41

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Solution

The fourth proportional to 495,933.87, 743,278.19 and 268,220.41 is: 401,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,933.87 : 743,278.19 = 268,220.41 : x
  2. Step 2: Convert to fraction form
    495,933.87/743,278.19 = 268,220.41/x
  3. Step 3: Cross multiply
    495,933.87x = 743,278.19 × 268,220.41
  4. Step 4: Simplify right side
    495,933.87x = 199,362,380,865.86
  5. Step 5: Solve for x
    x = 199,362,380,865.86/495,933.87
  6. Step 6: Final answer
    x = 401,993.88

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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.