Home / 644,688.75-967,184.39-633,977.91

Finding the Fourth Proportional to 644,688.75, 967,184.39 and 633,977.91

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Solution

The fourth proportional to 644,688.75, 967,184.39 and 633,977.91 is: 951,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,688.75 : 967,184.39 = 633,977.91 : x
  2. Step 2: Convert to fraction form
    644,688.75/967,184.39 = 633,977.91/x
  3. Step 3: Cross multiply
    644,688.75x = 967,184.39 × 633,977.91
  4. Step 4: Simplify right side
    644,688.75x = 613,173,538,613.88
  5. Step 5: Solve for x
    x = 613,173,538,613.88/644,688.75
  6. Step 6: Final answer
    x = 951,115.62

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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.