Home / 678,067.53-1,017,241.17-222,693.09

Finding the Fourth Proportional to 678,067.53, 1,017,241.17 and 222,693.09

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Solution

The fourth proportional to 678,067.53, 1,017,241.17 and 222,693.09 is: 334,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,067.53 : 1,017,241.17 = 222,693.09 : x
  2. Step 2: Convert to fraction form
    678,067.53/1,017,241.17 = 222,693.09/x
  3. Step 3: Cross multiply
    678,067.53x = 1,017,241.17 × 222,693.09
  4. Step 4: Simplify right side
    678,067.53x = 226,532,579,422.52
  5. Step 5: Solve for x
    x = 226,532,579,422.52/678,067.53
  6. Step 6: Final answer
    x = 334,085.57

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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.