Home / 704,478.20-1,056,866.34-231,123.92

Finding the Fourth Proportional to 704,478.20, 1,056,866.34 and 231,123.92

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Solution

The fourth proportional to 704,478.20, 1,056,866.34 and 231,123.92 is: 346,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,478.20 : 1,056,866.34 = 231,123.92 : x
  2. Step 2: Convert to fraction form
    704,478.20/1,056,866.34 = 231,123.92/x
  3. Step 3: Cross multiply
    704,478.20x = 1,056,866.34 × 231,123.92
  4. Step 4: Simplify right side
    704,478.20x = 244,267,091,416.85
  5. Step 5: Solve for x
    x = 244,267,091,416.85/704,478.20
  6. Step 6: Final answer
    x = 346,734.78

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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.