Home / 814,954.20-1,222,431.30-605,002.20

Finding the Fourth Proportional to 814,954.20, 1,222,431.30 and 605,002.20

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Solution

The fourth proportional to 814,954.20, 1,222,431.30 and 605,002.20 is: 907,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,954.20 : 1,222,431.30 = 605,002.20 : x
  2. Step 2: Convert to fraction form
    814,954.20/1,222,431.30 = 605,002.20/x
  3. Step 3: Cross multiply
    814,954.20x = 1,222,431.30 × 605,002.20
  4. Step 4: Simplify right side
    814,954.20x = 739,573,625,848.86
  5. Step 5: Solve for x
    x = 739,573,625,848.86/814,954.20
  6. Step 6: Final answer
    x = 907,503.30

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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.