Home / 828,660.36-1,144,676.97-649,632.54

Finding the Fourth Proportional to 828,660.36, 1,144,676.97 and 649,632.54

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Solution

The fourth proportional to 828,660.36, 1,144,676.97 and 649,632.54 is: 897,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,660.36 : 1,144,676.97 = 649,632.54 : x
  2. Step 2: Convert to fraction form
    828,660.36/1,144,676.97 = 649,632.54/x
  3. Step 3: Cross multiply
    828,660.36x = 1,144,676.97 × 649,632.54
  4. Step 4: Simplify right side
    828,660.36x = 743,619,407,500.60
  5. Step 5: Solve for x
    x = 743,619,407,500.60/828,660.36
  6. Step 6: Final answer
    x = 897,375.38

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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.