Home / 828,892.88-1,243,339.31-267,927.38

Finding the Fourth Proportional to 828,892.88, 1,243,339.31 and 267,927.38

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Solution

The fourth proportional to 828,892.88, 1,243,339.31 and 267,927.38 is: 401,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,892.88 : 1,243,339.31 = 267,927.38 : x
  2. Step 2: Convert to fraction form
    828,892.88/1,243,339.31 = 267,927.38/x
  3. Step 3: Cross multiply
    828,892.88x = 1,243,339.31 × 267,927.38
  4. Step 4: Simplify right side
    828,892.88x = 333,124,638,232.43
  5. Step 5: Solve for x
    x = 333,124,638,232.43/828,892.88
  6. Step 6: Final answer
    x = 401,891.06

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Double scale
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Similar ratio
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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.