Home / 1,397,163.60-2,095,745.40-399,891.60

Finding the Fourth Proportional to 1,397,163.60, 2,095,745.40 and 399,891.60

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Solution

The fourth proportional to 1,397,163.60, 2,095,745.40 and 399,891.60 is: 599,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,163.60 : 2,095,745.40 = 399,891.60 : x
  2. Step 2: Convert to fraction form
    1,397,163.60/2,095,745.40 = 399,891.60/x
  3. Step 3: Cross multiply
    1,397,163.60x = 2,095,745.40 × 399,891.60
  4. Step 4: Simplify right side
    1,397,163.60x = 838,070,981,198.64
  5. Step 5: Solve for x
    x = 838,070,981,198.64/1,397,163.60
  6. Step 6: Final answer
    x = 599,837.40

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Double scale
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Similar ratio
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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.