Home / 409,724.20-565,218.42-273,791.53

Finding the Fourth Proportional to 409,724.20, 565,218.42 and 273,791.53

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Solution

The fourth proportional to 409,724.20, 565,218.42 and 273,791.53 is: 377,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,724.20 : 565,218.42 = 273,791.53 : x
  2. Step 2: Convert to fraction form
    409,724.20/565,218.42 = 273,791.53/x
  3. Step 3: Cross multiply
    409,724.20x = 565,218.42 × 273,791.53
  4. Step 4: Simplify right side
    409,724.20x = 154,752,015,995.98
  5. Step 5: Solve for x
    x = 154,752,015,995.98/409,724.20
  6. Step 6: Final answer
    x = 377,698.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.