Home / 409,837.68-565,578.99-228,561.30

Finding the Fourth Proportional to 409,837.68, 565,578.99 and 228,561.30

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Solution

The fourth proportional to 409,837.68, 565,578.99 and 228,561.30 is: 315,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,837.68 : 565,578.99 = 228,561.30 : x
  2. Step 2: Convert to fraction form
    409,837.68/565,578.99 = 228,561.30/x
  3. Step 3: Cross multiply
    409,837.68x = 565,578.99 × 228,561.30
  4. Step 4: Simplify right side
    409,837.68x = 129,269,469,207.09
  5. Step 5: Solve for x
    x = 129,269,469,207.09/409,837.68
  6. Step 6: Final answer
    x = 315,416.26

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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.