Home / 416,622.40-574,936.05-225,631.42

Finding the Fourth Proportional to 416,622.40, 574,936.05 and 225,631.42

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Solution

The fourth proportional to 416,622.40, 574,936.05 and 225,631.42 is: 311,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,622.40 : 574,936.05 = 225,631.42 : x
  2. Step 2: Convert to fraction form
    416,622.40/574,936.05 = 225,631.42/x
  3. Step 3: Cross multiply
    416,622.40x = 574,936.05 × 225,631.42
  4. Step 4: Simplify right side
    416,622.40x = 129,723,637,370.69
  5. Step 5: Solve for x
    x = 129,723,637,370.69/416,622.40
  6. Step 6: Final answer
    x = 311,369.81

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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.