Home / 416,622.62-574,939.68-225,636.24

Finding the Fourth Proportional to 416,622.62, 574,939.68 and 225,636.24

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Solution

The fourth proportional to 416,622.62, 574,939.68 and 225,636.24 is: 311,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,622.62 : 574,939.68 = 225,636.24 : x
  2. Step 2: Convert to fraction form
    416,622.62/574,939.68 = 225,636.24/x
  3. Step 3: Cross multiply
    416,622.62x = 574,939.68 × 225,636.24
  4. Step 4: Simplify right side
    416,622.62x = 129,727,227,622.00
  5. Step 5: Solve for x
    x = 129,727,227,622.00/416,622.62
  6. Step 6: Final answer
    x = 311,378.26

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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.