Home / 762,112.46-1,143,169.22-193,536.20

Finding the Fourth Proportional to 762,112.46, 1,143,169.22 and 193,536.20

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Solution

The fourth proportional to 762,112.46, 1,143,169.22 and 193,536.20 is: 290,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,112.46 : 1,143,169.22 = 193,536.20 : x
  2. Step 2: Convert to fraction form
    762,112.46/1,143,169.22 = 193,536.20/x
  3. Step 3: Cross multiply
    762,112.46x = 1,143,169.22 × 193,536.20
  4. Step 4: Simplify right side
    762,112.46x = 221,244,630,137.53
  5. Step 5: Solve for x
    x = 221,244,630,137.53/762,112.46
  6. Step 6: Final answer
    x = 290,304.44

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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.