Home / 1,399,537.20-2,099,305.80-453,003.60

Finding the Fourth Proportional to 1,399,537.20, 2,099,305.80 and 453,003.60

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Solution

The fourth proportional to 1,399,537.20, 2,099,305.80 and 453,003.60 is: 679,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,537.20 : 2,099,305.80 = 453,003.60 : x
  2. Step 2: Convert to fraction form
    1,399,537.20/2,099,305.80 = 453,003.60/x
  3. Step 3: Cross multiply
    1,399,537.20x = 2,099,305.80 × 453,003.60
  4. Step 4: Simplify right side
    1,399,537.20x = 950,993,084,900.88
  5. Step 5: Solve for x
    x = 950,993,084,900.88/1,399,537.20
  6. Step 6: Final answer
    x = 679,505.40

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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.