Home / 406,843.09-561,461.22-225,543.49

Finding the Fourth Proportional to 406,843.09, 561,461.22 and 225,543.49

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Solution

The fourth proportional to 406,843.09, 561,461.22 and 225,543.49 is: 311,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,843.09 : 561,461.22 = 225,543.49 : x
  2. Step 2: Convert to fraction form
    406,843.09/561,461.22 = 225,543.49/x
  3. Step 3: Cross multiply
    406,843.09x = 561,461.22 × 225,543.49
  4. Step 4: Simplify right side
    406,843.09x = 126,633,921,654.81
  5. Step 5: Solve for x
    x = 126,633,921,654.81/406,843.09
  6. Step 6: Final answer
    x = 311,259.86

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1.5x scale

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.