Home / 406,932.14-561,573.05-225,651.71

Finding the Fourth Proportional to 406,932.14, 561,573.05 and 225,651.71

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Solution

The fourth proportional to 406,932.14, 561,573.05 and 225,651.71 is: 311,403.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,932.14 : 561,573.05 = 225,651.71 : x
  2. Step 2: Convert to fraction form
    406,932.14/561,573.05 = 225,651.71/x
  3. Step 3: Cross multiply
    406,932.14x = 561,573.05 × 225,651.71
  4. Step 4: Simplify right side
    406,932.14x = 126,719,915,086.29
  5. Step 5: Solve for x
    x = 126,719,915,086.29/406,932.14
  6. Step 6: Final answer
    x = 311,403.07

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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.