Home / 543,826.38-815,856.30-228,101.34

Finding the Fourth Proportional to 543,826.38, 815,856.30 and 228,101.34

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Solution

The fourth proportional to 543,826.38, 815,856.30 and 228,101.34 is: 342,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,826.38 : 815,856.30 = 228,101.34 : x
  2. Step 2: Convert to fraction form
    543,826.38/815,856.30 = 228,101.34/x
  3. Step 3: Cross multiply
    543,826.38x = 815,856.30 × 228,101.34
  4. Step 4: Simplify right side
    543,826.38x = 186,097,915,277.44
  5. Step 5: Solve for x
    x = 186,097,915,277.44/543,826.38
  6. Step 6: Final answer
    x = 342,200.97

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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.