Home / 1,045,644.40-1,568,466.60-809,156.80

Finding the Fourth Proportional to 1,045,644.40, 1,568,466.60 and 809,156.80

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Solution

The fourth proportional to 1,045,644.40, 1,568,466.60 and 809,156.80 is: 1,213,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,644.40 : 1,568,466.60 = 809,156.80 : x
  2. Step 2: Convert to fraction form
    1,045,644.40/1,568,466.60 = 809,156.80/x
  3. Step 3: Cross multiply
    1,045,644.40x = 1,568,466.60 × 809,156.80
  4. Step 4: Simplify right side
    1,045,644.40x = 1,269,135,414,962.88
  5. Step 5: Solve for x
    x = 1,269,135,414,962.88/1,045,644.40
  6. Step 6: Final answer
    x = 1,213,735.20

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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.