Home / 834,081.09-1,150,960.36-485,286.03

Finding the Fourth Proportional to 834,081.09, 1,150,960.36 and 485,286.03

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Solution

The fourth proportional to 834,081.09, 1,150,960.36 and 485,286.03 is: 669,653.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,081.09 : 1,150,960.36 = 485,286.03 : x
  2. Step 2: Convert to fraction form
    834,081.09/1,150,960.36 = 485,286.03/x
  3. Step 3: Cross multiply
    834,081.09x = 1,150,960.36 × 485,286.03
  4. Step 4: Simplify right side
    834,081.09x = 558,544,982,578.56
  5. Step 5: Solve for x
    x = 558,544,982,578.56/834,081.09
  6. Step 6: Final answer
    x = 669,653.09

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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.