Home / 448,255.24-672,432.08-223,672.20

Finding the Fourth Proportional to 448,255.24, 672,432.08 and 223,672.20

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Solution

The fourth proportional to 448,255.24, 672,432.08 and 223,672.20 is: 335,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,255.24 : 672,432.08 = 223,672.20 : x
  2. Step 2: Convert to fraction form
    448,255.24/672,432.08 = 223,672.20/x
  3. Step 3: Cross multiply
    448,255.24x = 672,432.08 × 223,672.20
  4. Step 4: Simplify right side
    448,255.24x = 150,404,362,684.18
  5. Step 5: Solve for x
    x = 150,404,362,684.18/448,255.24
  6. Step 6: Final answer
    x = 335,532.86

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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.