Home / 741,074.49-1,022,686.83-401,542.74

Finding the Fourth Proportional to 741,074.49, 1,022,686.83 and 401,542.74

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Solution

The fourth proportional to 741,074.49, 1,022,686.83 and 401,542.74 is: 554,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,074.49 : 1,022,686.83 = 401,542.74 : x
  2. Step 2: Convert to fraction form
    741,074.49/1,022,686.83 = 401,542.74/x
  3. Step 3: Cross multiply
    741,074.49x = 1,022,686.83 × 401,542.74
  4. Step 4: Simplify right side
    741,074.49x = 410,652,471,880.11
  5. Step 5: Solve for x
    x = 410,652,471,880.11/741,074.49
  6. Step 6: Final answer
    x = 554,131.17

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Double scale
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Similar ratio
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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.