Home / 324,986.21-448,593.69-223,348.12

Finding the Fourth Proportional to 324,986.21, 448,593.69 and 223,348.12

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Solution

The fourth proportional to 324,986.21, 448,593.69 and 223,348.12 is: 308,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,986.21 : 448,593.69 = 223,348.12 : x
  2. Step 2: Convert to fraction form
    324,986.21/448,593.69 = 223,348.12/x
  3. Step 3: Cross multiply
    324,986.21x = 448,593.69 × 223,348.12
  4. Step 4: Simplify right side
    324,986.21x = 100,192,557,021.43
  5. Step 5: Solve for x
    x = 100,192,557,021.43/324,986.21
  6. Step 6: Final answer
    x = 308,297.87

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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.