Home / 494,769.33-742,202.60-139,786.11

Finding the Fourth Proportional to 494,769.33, 742,202.60 and 139,786.11

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Solution

The fourth proportional to 494,769.33, 742,202.60 and 139,786.11 is: 209,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,769.33 : 742,202.60 = 139,786.11 : x
  2. Step 2: Convert to fraction form
    494,769.33/742,202.60 = 139,786.11/x
  3. Step 3: Cross multiply
    494,769.33x = 742,202.60 × 139,786.11
  4. Step 4: Simplify right side
    494,769.33x = 103,749,613,586.96
  5. Step 5: Solve for x
    x = 103,749,613,586.96/494,769.33
  6. Step 6: Final answer
    x = 209,692.90

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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.