Home / 479,532.29-661,755.89-261,742.93

Finding the Fourth Proportional to 479,532.29, 661,755.89 and 261,742.93

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Solution

The fourth proportional to 479,532.29, 661,755.89 and 261,742.93 is: 361,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,532.29 : 661,755.89 = 261,742.93 : x
  2. Step 2: Convert to fraction form
    479,532.29/661,755.89 = 261,742.93/x
  3. Step 3: Cross multiply
    479,532.29x = 661,755.89 × 261,742.93
  4. Step 4: Simplify right side
    479,532.29x = 173,209,924,593.33
  5. Step 5: Solve for x
    x = 173,209,924,593.33/479,532.29
  6. Step 6: Final answer
    x = 361,205.97

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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.