Home / 1,222,443.38-1,833,249.84-423,538.46

Finding the Fourth Proportional to 1,222,443.38, 1,833,249.84 and 423,538.46

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Solution

The fourth proportional to 1,222,443.38, 1,833,249.84 and 423,538.46 is: 635,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,443.38 : 1,833,249.84 = 423,538.46 : x
  2. Step 2: Convert to fraction form
    1,222,443.38/1,833,249.84 = 423,538.46/x
  3. Step 3: Cross multiply
    1,222,443.38x = 1,833,249.84 × 423,538.46
  4. Step 4: Simplify right side
    1,222,443.38x = 776,451,804,862.60
  5. Step 5: Solve for x
    x = 776,451,804,862.60/1,222,443.38
  6. Step 6: Final answer
    x = 635,163.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.