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Finding the Fourth Proportional to 1,195.21, 1,791.26 and 884.58

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Solution

The fourth proportional to 1,195.21, 1,791.26 and 884.58 is: 1,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.21 : 1,791.26 = 884.58 : x
  2. Step 2: Convert to fraction form
    1,195.21/1,791.26 = 884.58/x
  3. Step 3: Cross multiply
    1,195.21x = 1,791.26 × 884.58
  4. Step 4: Simplify right side
    1,195.21x = 1,584,512.77
  5. Step 5: Solve for x
    x = 1,584,512.77/1,195.21
  6. Step 6: Final answer
    x = 1,325.72

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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.