Home / 689,144.44-1,033,736.12-190,508.44

Finding the Fourth Proportional to 689,144.44, 1,033,736.12 and 190,508.44

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Solution

The fourth proportional to 689,144.44, 1,033,736.12 and 190,508.44 is: 285,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,144.44 : 1,033,736.12 = 190,508.44 : x
  2. Step 2: Convert to fraction form
    689,144.44/1,033,736.12 = 190,508.44/x
  3. Step 3: Cross multiply
    689,144.44x = 1,033,736.12 × 190,508.44
  4. Step 4: Simplify right side
    689,144.44x = 196,935,455,592.85
  5. Step 5: Solve for x
    x = 196,935,455,592.85/689,144.44
  6. Step 6: Final answer
    x = 285,768.04

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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.