Home / 824,954.20-1,237,431.30-683,236.60

Finding the Fourth Proportional to 824,954.20, 1,237,431.30 and 683,236.60

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Solution

The fourth proportional to 824,954.20, 1,237,431.30 and 683,236.60 is: 1,024,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,954.20 : 1,237,431.30 = 683,236.60 : x
  2. Step 2: Convert to fraction form
    824,954.20/1,237,431.30 = 683,236.60/x
  3. Step 3: Cross multiply
    824,954.20x = 1,237,431.30 × 683,236.60
  4. Step 4: Simplify right side
    824,954.20x = 845,458,354,145.58
  5. Step 5: Solve for x
    x = 845,458,354,145.58/824,954.20
  6. Step 6: Final answer
    x = 1,024,854.90

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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.