Home / 481,252.58-721,629.69-256,552.66

Finding the Fourth Proportional to 481,252.58, 721,629.69 and 256,552.66

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Solution

The fourth proportional to 481,252.58, 721,629.69 and 256,552.66 is: 384,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,252.58 : 721,629.69 = 256,552.66 : x
  2. Step 2: Convert to fraction form
    481,252.58/721,629.69 = 256,552.66/x
  3. Step 3: Cross multiply
    481,252.58x = 721,629.69 × 256,552.66
  4. Step 4: Simplify right side
    481,252.58x = 185,136,016,444.44
  5. Step 5: Solve for x
    x = 185,136,016,444.44/481,252.58
  6. Step 6: Final answer
    x = 384,696.15

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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.