Home / 1,112,233.90-1,668,350.85-994,135.90

Finding the Fourth Proportional to 1,112,233.90, 1,668,350.85 and 994,135.90

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Solution

The fourth proportional to 1,112,233.90, 1,668,350.85 and 994,135.90 is: 1,491,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,233.90 : 1,668,350.85 = 994,135.90 : x
  2. Step 2: Convert to fraction form
    1,112,233.90/1,668,350.85 = 994,135.90/x
  3. Step 3: Cross multiply
    1,112,233.90x = 1,668,350.85 × 994,135.90
  4. Step 4: Simplify right side
    1,112,233.90x = 1,658,567,473,780.52
  5. Step 5: Solve for x
    x = 1,658,567,473,780.52/1,112,233.90
  6. Step 6: Final answer
    x = 1,491,203.85

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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.