Home / 863,104.78-1,191,084.68-481,131.56

Finding the Fourth Proportional to 863,104.78, 1,191,084.68 and 481,131.56

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Solution

The fourth proportional to 863,104.78, 1,191,084.68 and 481,131.56 is: 663,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,104.78 : 1,191,084.68 = 481,131.56 : x
  2. Step 2: Convert to fraction form
    863,104.78/1,191,084.68 = 481,131.56/x
  3. Step 3: Cross multiply
    863,104.78x = 1,191,084.68 × 481,131.56
  4. Step 4: Simplify right side
    863,104.78x = 573,068,434,361.04
  5. Step 5: Solve for x
    x = 573,068,434,361.04/863,104.78
  6. Step 6: Final answer
    x = 663,961.60

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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.