Home / 622,338.78-933,121.57-262,324.40

Finding the Fourth Proportional to 622,338.78, 933,121.57 and 262,324.40

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Solution

The fourth proportional to 622,338.78, 933,121.57 and 262,324.40 is: 393,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,338.78 : 933,121.57 = 262,324.40 : x
  2. Step 2: Convert to fraction form
    622,338.78/933,121.57 = 262,324.40/x
  3. Step 3: Cross multiply
    622,338.78x = 933,121.57 × 262,324.40
  4. Step 4: Simplify right side
    622,338.78x = 244,780,557,654.30
  5. Step 5: Solve for x
    x = 244,780,557,654.30/622,338.78
  6. Step 6: Final answer
    x = 393,323.65

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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.