Home / 1,278,524.22-1,764,405.77-697,779.06

Finding the Fourth Proportional to 1,278,524.22, 1,764,405.77 and 697,779.06

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Solution

The fourth proportional to 1,278,524.22, 1,764,405.77 and 697,779.06 is: 962,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,524.22 : 1,764,405.77 = 697,779.06 : x
  2. Step 2: Convert to fraction form
    1,278,524.22/1,764,405.77 = 697,779.06/x
  3. Step 3: Cross multiply
    1,278,524.22x = 1,764,405.77 × 697,779.06
  4. Step 4: Simplify right side
    1,278,524.22x = 1,231,165,396,160.28
  5. Step 5: Solve for x
    x = 1,231,165,396,160.28/1,278,524.22
  6. Step 6: Final answer
    x = 962,958.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.