Home / 547,940.28-821,877.60-228,011.34

Finding the Fourth Proportional to 547,940.28, 821,877.60 and 228,011.34

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Solution

The fourth proportional to 547,940.28, 821,877.60 and 228,011.34 is: 342,003.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,940.28 : 821,877.60 = 228,011.34 : x
  2. Step 2: Convert to fraction form
    547,940.28/821,877.60 = 228,011.34/x
  3. Step 3: Cross multiply
    547,940.28x = 821,877.60 × 228,011.34
  4. Step 4: Simplify right side
    547,940.28x = 187,397,412,891.98
  5. Step 5: Solve for x
    x = 187,397,412,891.98/547,940.28
  6. Step 6: Final answer
    x = 342,003.35

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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.