Home / 1,205,578.20-1,808,682.42-699,652.83

Finding the Fourth Proportional to 1,205,578.20, 1,808,682.42 and 699,652.83

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Solution

The fourth proportional to 1,205,578.20, 1,808,682.42 and 699,652.83 is: 1,049,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,578.20 : 1,808,682.42 = 699,652.83 : x
  2. Step 2: Convert to fraction form
    1,205,578.20/1,808,682.42 = 699,652.83/x
  3. Step 3: Cross multiply
    1,205,578.20x = 1,808,682.42 × 699,652.83
  4. Step 4: Simplify right side
    1,205,578.20x = 1,265,449,775,622.26
  5. Step 5: Solve for x
    x = 1,265,449,775,622.26/1,205,578.20
  6. Step 6: Final answer
    x = 1,049,662.12

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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.