Home / 409,837.98-565,578.84-228,561.36

Finding the Fourth Proportional to 409,837.98, 565,578.84 and 228,561.36

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Solution

The fourth proportional to 409,837.98, 565,578.84 and 228,561.36 is: 315,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,837.98 : 565,578.84 = 228,561.36 : x
  2. Step 2: Convert to fraction form
    409,837.98/565,578.84 = 228,561.36/x
  3. Step 3: Cross multiply
    409,837.98x = 565,578.84 × 228,561.36
  4. Step 4: Simplify right side
    409,837.98x = 129,269,468,857.62
  5. Step 5: Solve for x
    x = 129,269,468,857.62/409,837.98
  6. Step 6: Final answer
    x = 315,416.03

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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.