Home / 1,612,200.80-2,420,163.60-865,704.80

Finding the Fourth Proportional to 1,612,200.80, 2,420,163.60 and 865,704.80

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Solution

The fourth proportional to 1,612,200.80, 2,420,163.60 and 865,704.80 is: 1,299,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,200.80 : 2,420,163.60 = 865,704.80 : x
  2. Step 2: Convert to fraction form
    1,612,200.80/2,420,163.60 = 865,704.80/x
  3. Step 3: Cross multiply
    1,612,200.80x = 2,420,163.60 × 865,704.80
  4. Step 4: Simplify right side
    1,612,200.80x = 2,095,147,245,305.28
  5. Step 5: Solve for x
    x = 2,095,147,245,305.28/1,612,200.80
  6. Step 6: Final answer
    x = 1,299,557.25

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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.