Home / 543,624.20-815,630.70-228,177.80

Finding the Fourth Proportional to 543,624.20, 815,630.70 and 228,177.80

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Solution

The fourth proportional to 543,624.20, 815,630.70 and 228,177.80 is: 342,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,624.20 : 815,630.70 = 228,177.80 : x
  2. Step 2: Convert to fraction form
    543,624.20/815,630.70 = 228,177.80/x
  3. Step 3: Cross multiply
    543,624.20x = 815,630.70 × 228,177.80
  4. Step 4: Simplify right side
    543,624.20x = 186,108,818,738.46
  5. Step 5: Solve for x
    x = 186,108,818,738.46/543,624.20
  6. Step 6: Final answer
    x = 342,348.30

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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.