Home / 1,278,526.22-1,764,408.53-697,781.06

Finding the Fourth Proportional to 1,278,526.22, 1,764,408.53 and 697,781.06

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Solution

The fourth proportional to 1,278,526.22, 1,764,408.53 and 697,781.06 is: 962,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,526.22 : 1,764,408.53 = 697,781.06 : x
  2. Step 2: Convert to fraction form
    1,278,526.22/1,764,408.53 = 697,781.06/x
  3. Step 3: Cross multiply
    1,278,526.22x = 1,764,408.53 × 697,781.06
  4. Step 4: Simplify right side
    1,278,526.22x = 1,231,170,854,336.44
  5. Step 5: Solve for x
    x = 1,231,170,854,336.44/1,278,526.22
  6. Step 6: Final answer
    x = 962,960.97

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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.