Home / 891,868.82-1,230,772.68-483,960.29

Finding the Fourth Proportional to 891,868.82, 1,230,772.68 and 483,960.29

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Solution

The fourth proportional to 891,868.82, 1,230,772.68 and 483,960.29 is: 667,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,868.82 : 1,230,772.68 = 483,960.29 : x
  2. Step 2: Convert to fraction form
    891,868.82/1,230,772.68 = 483,960.29/x
  3. Step 3: Cross multiply
    891,868.82x = 1,230,772.68 × 483,960.29
  4. Step 4: Simplify right side
    891,868.82x = 595,645,096,983.01
  5. Step 5: Solve for x
    x = 595,645,096,983.01/891,868.82
  6. Step 6: Final answer
    x = 667,861.78

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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.