Home / 481,252.21-721,629.12-256,552.29

Finding the Fourth Proportional to 481,252.21, 721,629.12 and 256,552.29

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Solution

The fourth proportional to 481,252.21, 721,629.12 and 256,552.29 is: 384,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,252.21 : 721,629.12 = 256,552.29 : x
  2. Step 2: Convert to fraction form
    481,252.21/721,629.12 = 256,552.29/x
  3. Step 3: Cross multiply
    481,252.21x = 721,629.12 × 256,552.29
  4. Step 4: Simplify right side
    481,252.21x = 185,135,603,266.69
  5. Step 5: Solve for x
    x = 185,135,603,266.69/481,252.21
  6. Step 6: Final answer
    x = 384,695.59

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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.