Home / 1,214,151.40-1,821,227.10-895,286.80

Finding the Fourth Proportional to 1,214,151.40, 1,821,227.10 and 895,286.80

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Solution

The fourth proportional to 1,214,151.40, 1,821,227.10 and 895,286.80 is: 1,342,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,151.40 : 1,821,227.10 = 895,286.80 : x
  2. Step 2: Convert to fraction form
    1,214,151.40/1,821,227.10 = 895,286.80/x
  3. Step 3: Cross multiply
    1,214,151.40x = 1,821,227.10 × 895,286.80
  4. Step 4: Simplify right side
    1,214,151.40x = 1,630,520,582,432.28
  5. Step 5: Solve for x
    x = 1,630,520,582,432.28/1,214,151.40
  6. Step 6: Final answer
    x = 1,342,930.20

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Double scale
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Similar ratio
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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.