Home / 863,614.20-1,191,792.78-481,665.54

Finding the Fourth Proportional to 863,614.20, 1,191,792.78 and 481,665.54

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Solution

The fourth proportional to 863,614.20, 1,191,792.78 and 481,665.54 is: 664,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,614.20 : 1,191,792.78 = 481,665.54 : x
  2. Step 2: Convert to fraction form
    863,614.20/1,191,792.78 = 481,665.54/x
  3. Step 3: Cross multiply
    863,614.20x = 1,191,792.78 × 481,665.54
  4. Step 4: Simplify right side
    863,614.20x = 574,045,512,946.80
  5. Step 5: Solve for x
    x = 574,045,512,946.80/863,614.20
  6. Step 6: Final answer
    x = 664,701.34

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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.