Home / 1,226,651.19-1,692,778.82-682,775.43

Finding the Fourth Proportional to 1,226,651.19, 1,692,778.82 and 682,775.43

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Solution

The fourth proportional to 1,226,651.19, 1,692,778.82 and 682,775.43 is: 942,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,651.19 : 1,692,778.82 = 682,775.43 : x
  2. Step 2: Convert to fraction form
    1,226,651.19/1,692,778.82 = 682,775.43/x
  3. Step 3: Cross multiply
    1,226,651.19x = 1,692,778.82 × 682,775.43
  4. Step 4: Simplify right side
    1,226,651.19x = 1,155,787,783,306.52
  5. Step 5: Solve for x
    x = 1,155,787,783,306.52/1,226,651.19
  6. Step 6: Final answer
    x = 942,230.19

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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.