Home / 1,226,620.46-1,692,736.30-682,744.58

Finding the Fourth Proportional to 1,226,620.46, 1,692,736.30 and 682,744.58

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Solution

The fourth proportional to 1,226,620.46, 1,692,736.30 and 682,744.58 is: 942,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,620.46 : 1,692,736.30 = 682,744.58 : x
  2. Step 2: Convert to fraction form
    1,226,620.46/1,692,736.30 = 682,744.58/x
  3. Step 3: Cross multiply
    1,226,620.46x = 1,692,736.30 × 682,744.58
  4. Step 4: Simplify right side
    1,226,620.46x = 1,155,706,534,194.25
  5. Step 5: Solve for x
    x = 1,155,706,534,194.25/1,226,620.46
  6. Step 6: Final answer
    x = 942,187.56

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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.