Home / 406,584.06-561,098.30-225,279.04

Finding the Fourth Proportional to 406,584.06, 561,098.30 and 225,279.04

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Solution

The fourth proportional to 406,584.06, 561,098.30 and 225,279.04 is: 310,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,584.06 : 561,098.30 = 225,279.04 : x
  2. Step 2: Convert to fraction form
    406,584.06/561,098.30 = 225,279.04/x
  3. Step 3: Cross multiply
    406,584.06x = 561,098.30 × 225,279.04
  4. Step 4: Simplify right side
    406,584.06x = 126,403,686,369.63
  5. Step 5: Solve for x
    x = 126,403,686,369.63/406,584.06
  6. Step 6: Final answer
    x = 310,891.89

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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.