Home / 406,579.56-561,092.09-225,274.53

Finding the Fourth Proportional to 406,579.56, 561,092.09 and 225,274.53

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Solution

The fourth proportional to 406,579.56, 561,092.09 and 225,274.53 is: 310,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,579.56 : 561,092.09 = 225,274.53 : x
  2. Step 2: Convert to fraction form
    406,579.56/561,092.09 = 225,274.53/x
  3. Step 3: Cross multiply
    406,579.56x = 561,092.09 × 225,274.53
  4. Step 4: Simplify right side
    406,579.56x = 126,399,755,320.56
  5. Step 5: Solve for x
    x = 126,399,755,320.56/406,579.56
  6. Step 6: Final answer
    x = 310,885.66

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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.