Home / 1,261,391.27-1,740,453.89-802,338.75

Finding the Fourth Proportional to 1,261,391.27, 1,740,453.89 and 802,338.75

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Solution

The fourth proportional to 1,261,391.27, 1,740,453.89 and 802,338.75 is: 1,107,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,391.27 : 1,740,453.89 = 802,338.75 : x
  2. Step 2: Convert to fraction form
    1,261,391.27/1,740,453.89 = 802,338.75/x
  3. Step 3: Cross multiply
    1,261,391.27x = 1,740,453.89 × 802,338.75
  4. Step 4: Simplify right side
    1,261,391.27x = 1,396,433,594,523.54
  5. Step 5: Solve for x
    x = 1,396,433,594,523.54/1,261,391.27
  6. Step 6: Final answer
    x = 1,107,058.24

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1.5x scale

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.