Home / 644,688.37-967,183.82-633,977.54

Finding the Fourth Proportional to 644,688.37, 967,183.82 and 633,977.54

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Solution

The fourth proportional to 644,688.37, 967,183.82 and 633,977.54 is: 951,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,688.37 : 967,183.82 = 633,977.54 : x
  2. Step 2: Convert to fraction form
    644,688.37/967,183.82 = 633,977.54/x
  3. Step 3: Cross multiply
    644,688.37x = 967,183.82 × 633,977.54
  4. Step 4: Simplify right side
    644,688.37x = 613,172,817,493.90
  5. Step 5: Solve for x
    x = 613,172,817,493.90/644,688.37
  6. Step 6: Final answer
    x = 951,115.06

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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.