Home / 406,932.66-561,573.81-225,652.23

Finding the Fourth Proportional to 406,932.66, 561,573.81 and 225,652.23

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Solution

The fourth proportional to 406,932.66, 561,573.81 and 225,652.23 is: 311,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,932.66 : 561,573.81 = 225,652.23 : x
  2. Step 2: Convert to fraction form
    406,932.66/561,573.81 = 225,652.23/x
  3. Step 3: Cross multiply
    406,932.66x = 561,573.81 × 225,652.23
  4. Step 4: Simplify right side
    406,932.66x = 126,720,382,536.10
  5. Step 5: Solve for x
    x = 126,720,382,536.10/406,932.66
  6. Step 6: Final answer
    x = 311,403.81

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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.