Home / 741,071.92-1,022,679.94-401,540.17

Finding the Fourth Proportional to 741,071.92, 1,022,679.94 and 401,540.17

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Solution

The fourth proportional to 741,071.92, 1,022,679.94 and 401,540.17 is: 554,125.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,071.92 : 1,022,679.94 = 401,540.17 : x
  2. Step 2: Convert to fraction form
    741,071.92/1,022,679.94 = 401,540.17/x
  3. Step 3: Cross multiply
    741,071.92x = 1,022,679.94 × 401,540.17
  4. Step 4: Simplify right side
    741,071.92x = 410,647,076,963.19
  5. Step 5: Solve for x
    x = 410,647,076,963.19/741,071.92
  6. Step 6: Final answer
    x = 554,125.81

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Double scale
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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.