Home / 1,366,985.60-2,052,163.20-861,545.60

Finding the Fourth Proportional to 1,366,985.60, 2,052,163.20 and 861,545.60

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Solution

The fourth proportional to 1,366,985.60, 2,052,163.20 and 861,545.60 is: 1,293,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,985.60 : 2,052,163.20 = 861,545.60 : x
  2. Step 2: Convert to fraction form
    1,366,985.60/2,052,163.20 = 861,545.60/x
  3. Step 3: Cross multiply
    1,366,985.60x = 2,052,163.20 × 861,545.60
  4. Step 4: Simplify right side
    1,366,985.60x = 1,768,032,175,441.92
  5. Step 5: Solve for x
    x = 1,768,032,175,441.92/1,366,985.60
  6. Step 6: Final answer
    x = 1,293,380.25

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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.