Home / 863,807.36-1,192,079.40-481,825.88

Finding the Fourth Proportional to 863,807.36, 1,192,079.40 and 481,825.88

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Solution

The fourth proportional to 863,807.36, 1,192,079.40 and 481,825.88 is: 664,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,807.36 : 1,192,079.40 = 481,825.88 : x
  2. Step 2: Convert to fraction form
    863,807.36/1,192,079.40 = 481,825.88/x
  3. Step 3: Cross multiply
    863,807.36x = 1,192,079.40 × 481,825.88
  4. Step 4: Simplify right side
    863,807.36x = 574,374,705,934.87
  5. Step 5: Solve for x
    x = 574,374,705,934.87/863,807.36
  6. Step 6: Final answer
    x = 664,933.79

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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.