Home / 678,165.52-1,017,388.50-222,791.26

Finding the Fourth Proportional to 678,165.52, 1,017,388.50 and 222,791.26

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Solution

The fourth proportional to 678,165.52, 1,017,388.50 and 222,791.26 is: 334,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,165.52 : 1,017,388.50 = 222,791.26 : x
  2. Step 2: Convert to fraction form
    678,165.52/1,017,388.50 = 222,791.26/x
  3. Step 3: Cross multiply
    678,165.52x = 1,017,388.50 × 222,791.26
  4. Step 4: Simplify right side
    678,165.52x = 226,665,265,824.51
  5. Step 5: Solve for x
    x = 226,665,265,824.51/678,165.52
  6. Step 6: Final answer
    x = 334,232.96

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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.