Home / 863,648.73-1,191,836.84-481,700.12

Finding the Fourth Proportional to 863,648.73, 1,191,836.84 and 481,700.12

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Solution

The fourth proportional to 863,648.73, 1,191,836.84 and 481,700.12 is: 664,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,648.73 : 1,191,836.84 = 481,700.12 : x
  2. Step 2: Convert to fraction form
    863,648.73/1,191,836.84 = 481,700.12/x
  3. Step 3: Cross multiply
    863,648.73x = 1,191,836.84 × 481,700.12
  4. Step 4: Simplify right side
    863,648.73x = 574,107,940,480.74
  5. Step 5: Solve for x
    x = 574,107,940,480.74/863,648.73
  6. Step 6: Final answer
    x = 664,747.04

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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.