Home / 407,183.04-561,911.68-225,922.56

Finding the Fourth Proportional to 407,183.04, 561,911.68 and 225,922.56

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Solution

The fourth proportional to 407,183.04, 561,911.68 and 225,922.56 is: 311,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,183.04 : 561,911.68 = 225,922.56 : x
  2. Step 2: Convert to fraction form
    407,183.04/561,911.68 = 225,922.56/x
  3. Step 3: Cross multiply
    407,183.04x = 561,911.68 × 225,922.56
  4. Step 4: Simplify right side
    407,183.04x = 126,948,525,239.50
  5. Step 5: Solve for x
    x = 126,948,525,239.50/407,183.04
  6. Step 6: Final answer
    x = 311,772.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.