Home / 404,546.75-558,287.92-220,795.36

Finding the Fourth Proportional to 404,546.75, 558,287.92 and 220,795.36

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Solution

The fourth proportional to 404,546.75, 558,287.92 and 220,795.36 is: 304,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,546.75 : 558,287.92 = 220,795.36 : x
  2. Step 2: Convert to fraction form
    404,546.75/558,287.92 = 220,795.36/x
  3. Step 3: Cross multiply
    404,546.75x = 558,287.92 × 220,795.36
  4. Step 4: Simplify right side
    404,546.75x = 123,267,382,280.05
  5. Step 5: Solve for x
    x = 123,267,382,280.05/404,546.75
  6. Step 6: Final answer
    x = 304,704.91

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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.