Home / 406,932.48-561,600.16-225,701.44

Finding the Fourth Proportional to 406,932.48, 561,600.16 and 225,701.44

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Solution

The fourth proportional to 406,932.48, 561,600.16 and 225,701.44 is: 311,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,932.48 : 561,600.16 = 225,701.44 : x
  2. Step 2: Convert to fraction form
    406,932.48/561,600.16 = 225,701.44/x
  3. Step 3: Cross multiply
    406,932.48x = 561,600.16 × 225,701.44
  4. Step 4: Simplify right side
    406,932.48x = 126,753,964,816.23
  5. Step 5: Solve for x
    x = 126,753,964,816.23/406,932.48
  6. Step 6: Final answer
    x = 311,486.48

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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.