Home / 1,226,568.42-1,692,651.06-682,695.54

Finding the Fourth Proportional to 1,226,568.42, 1,692,651.06 and 682,695.54

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Solution

The fourth proportional to 1,226,568.42, 1,692,651.06 and 682,695.54 is: 942,112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,568.42 : 1,692,651.06 = 682,695.54 : x
  2. Step 2: Convert to fraction form
    1,226,568.42/1,692,651.06 = 682,695.54/x
  3. Step 3: Cross multiply
    1,226,568.42x = 1,692,651.06 × 682,695.54
  4. Step 4: Simplify right side
    1,226,568.42x = 1,155,565,329,438.27
  5. Step 5: Solve for x
    x = 1,155,565,329,438.27/1,226,568.42
  6. Step 6: Final answer
    x = 942,112.41

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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.