Home / 825,649.12-1,238,474.76-226,618.48

Finding the Fourth Proportional to 825,649.12, 1,238,474.76 and 226,618.48

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Solution

The fourth proportional to 825,649.12, 1,238,474.76 and 226,618.48 is: 339,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,649.12 : 1,238,474.76 = 226,618.48 : x
  2. Step 2: Convert to fraction form
    825,649.12/1,238,474.76 = 226,618.48/x
  3. Step 3: Cross multiply
    825,649.12x = 1,238,474.76 × 226,618.48
  4. Step 4: Simplify right side
    825,649.12x = 280,661,267,629.57
  5. Step 5: Solve for x
    x = 280,661,267,629.57/825,649.12
  6. Step 6: Final answer
    x = 339,928.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.