Home / 397,213.92-548,094.42-225,122.04

Finding the Fourth Proportional to 397,213.92, 548,094.42 and 225,122.04

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Solution

The fourth proportional to 397,213.92, 548,094.42 and 225,122.04 is: 310,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,213.92 : 548,094.42 = 225,122.04 : x
  2. Step 2: Convert to fraction form
    397,213.92/548,094.42 = 225,122.04/x
  3. Step 3: Cross multiply
    397,213.92x = 548,094.42 × 225,122.04
  4. Step 4: Simplify right side
    397,213.92x = 123,388,133,943.02
  5. Step 5: Solve for x
    x = 123,388,133,943.02/397,213.92
  6. Step 6: Final answer
    x = 310,633.96

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1.5x scale

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.