Home / 2,659,456.38-3,989,184.65-664,912.38

Finding the Fourth Proportional to 2,659,456.38, 3,989,184.65 and 664,912.38

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Solution

The fourth proportional to 2,659,456.38, 3,989,184.65 and 664,912.38 is: 997,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,456.38 : 3,989,184.65 = 664,912.38 : x
  2. Step 2: Convert to fraction form
    2,659,456.38/3,989,184.65 = 664,912.38/x
  3. Step 3: Cross multiply
    2,659,456.38x = 3,989,184.65 × 664,912.38
  4. Step 4: Simplify right side
    2,659,456.38x = 2,652,458,241,607.32
  5. Step 5: Solve for x
    x = 2,652,458,241,607.32/2,659,456.38
  6. Step 6: Final answer
    x = 997,368.59

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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.