Home / 741,015.45-1,022,601.42-401,483.70

Finding the Fourth Proportional to 741,015.45, 1,022,601.42 and 401,483.70

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Solution

The fourth proportional to 741,015.45, 1,022,601.42 and 401,483.70 is: 554,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,015.45 : 1,022,601.42 = 401,483.70 : x
  2. Step 2: Convert to fraction form
    741,015.45/1,022,601.42 = 401,483.70/x
  3. Step 3: Cross multiply
    741,015.45x = 1,022,601.42 × 401,483.70
  4. Step 4: Simplify right side
    741,015.45x = 410,557,801,726.85
  5. Step 5: Solve for x
    x = 410,557,801,726.85/741,015.45
  6. Step 6: Final answer
    x = 554,047.56

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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.