Home / 741,468.96-1,112,358.96-320,804.64

Finding the Fourth Proportional to 741,468.96, 1,112,358.96 and 320,804.64

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Solution

The fourth proportional to 741,468.96, 1,112,358.96 and 320,804.64 is: 481,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,468.96 : 1,112,358.96 = 320,804.64 : x
  2. Step 2: Convert to fraction form
    741,468.96/1,112,358.96 = 320,804.64/x
  3. Step 3: Cross multiply
    741,468.96x = 1,112,358.96 × 320,804.64
  4. Step 4: Simplify right side
    741,468.96x = 356,849,915,713.57
  5. Step 5: Solve for x
    x = 356,849,915,713.57/741,468.96
  6. Step 6: Final answer
    x = 481,274.25

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.