Home / 863,817.20-1,192,066.92-481,843.76

Finding the Fourth Proportional to 863,817.20, 1,192,066.92 and 481,843.76

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Solution

The fourth proportional to 863,817.20, 1,192,066.92 and 481,843.76 is: 664,943.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,817.20 : 1,192,066.92 = 481,843.76 : x
  2. Step 2: Convert to fraction form
    863,817.20/1,192,066.92 = 481,843.76/x
  3. Step 3: Cross multiply
    863,817.20x = 1,192,066.92 × 481,843.76
  4. Step 4: Simplify right side
    863,817.20x = 574,390,006,904.42
  5. Step 5: Solve for x
    x = 574,390,006,904.42/863,817.20
  6. Step 6: Final answer
    x = 664,943.93

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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.