Home / 409,724.51-565,218.86-273,791.84

Finding the Fourth Proportional to 409,724.51, 565,218.86 and 273,791.84

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Solution

The fourth proportional to 409,724.51, 565,218.86 and 273,791.84 is: 377,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,724.51 : 565,218.86 = 273,791.84 : x
  2. Step 2: Convert to fraction form
    409,724.51/565,218.86 = 273,791.84/x
  3. Step 3: Cross multiply
    409,724.51x = 565,218.86 × 273,791.84
  4. Step 4: Simplify right side
    409,724.51x = 154,752,307,487.05
  5. Step 5: Solve for x
    x = 154,752,307,487.05/409,724.51
  6. Step 6: Final answer
    x = 377,698.44

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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.