Home / 406,851.12-561,472.24-225,551.52

Finding the Fourth Proportional to 406,851.12, 561,472.24 and 225,551.52

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Solution

The fourth proportional to 406,851.12, 561,472.24 and 225,551.52 is: 311,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,851.12 : 561,472.24 = 225,551.52 : x
  2. Step 2: Convert to fraction form
    406,851.12/561,472.24 = 225,551.52/x
  3. Step 3: Cross multiply
    406,851.12x = 561,472.24 × 225,551.52
  4. Step 4: Simplify right side
    406,851.12x = 126,640,917,169.81
  5. Step 5: Solve for x
    x = 126,640,917,169.81/406,851.12
  6. Step 6: Final answer
    x = 311,270.91

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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.