Home / 543,933.80-816,192.30-228,422.60

Finding the Fourth Proportional to 543,933.80, 816,192.30 and 228,422.60

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Solution

The fourth proportional to 543,933.80, 816,192.30 and 228,422.60 is: 342,756.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,933.80 : 816,192.30 = 228,422.60 : x
  2. Step 2: Convert to fraction form
    543,933.80/816,192.30 = 228,422.60/x
  3. Step 3: Cross multiply
    543,933.80x = 816,192.30 × 228,422.60
  4. Step 4: Simplify right side
    543,933.80x = 186,436,767,265.98
  5. Step 5: Solve for x
    x = 186,436,767,265.98/543,933.80
  6. Step 6: Final answer
    x = 342,756.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.