Home / 996,998.10-1,493,391.15-660,200.10

Finding the Fourth Proportional to 996,998.10, 1,493,391.15 and 660,200.10

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Solution

The fourth proportional to 996,998.10, 1,493,391.15 and 660,200.10 is: 988,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,998.10 : 1,493,391.15 = 660,200.10 : x
  2. Step 2: Convert to fraction form
    996,998.10/1,493,391.15 = 660,200.10/x
  3. Step 3: Cross multiply
    996,998.10x = 1,493,391.15 × 660,200.10
  4. Step 4: Simplify right side
    996,998.10x = 985,936,986,569.12
  5. Step 5: Solve for x
    x = 985,936,986,569.12/996,998.10
  6. Step 6: Final answer
    x = 988,905.58

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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.