Home / 407,170.73-561,896.28-225,882.66

Finding the Fourth Proportional to 407,170.73, 561,896.28 and 225,882.66

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Solution

The fourth proportional to 407,170.73, 561,896.28 and 225,882.66 is: 311,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,170.73 : 561,896.28 = 225,882.66 : x
  2. Step 2: Convert to fraction form
    407,170.73/561,896.28 = 225,882.66/x
  3. Step 3: Cross multiply
    407,170.73x = 561,896.28 × 225,882.66
  4. Step 4: Simplify right side
    407,170.73x = 126,922,625,241.09
  5. Step 5: Solve for x
    x = 126,922,625,241.09/407,170.73
  6. Step 6: Final answer
    x = 311,718.44

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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.