Home / 481,324.23-664,201.10-263,490.78

Finding the Fourth Proportional to 481,324.23, 664,201.10 and 263,490.78

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Solution

The fourth proportional to 481,324.23, 664,201.10 and 263,490.78 is: 363,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,324.23 : 664,201.10 = 263,490.78 : x
  2. Step 2: Convert to fraction form
    481,324.23/664,201.10 = 263,490.78/x
  3. Step 3: Cross multiply
    481,324.23x = 664,201.10 × 263,490.78
  4. Step 4: Simplify right side
    481,324.23x = 175,010,865,915.86
  5. Step 5: Solve for x
    x = 175,010,865,915.86/481,324.23
  6. Step 6: Final answer
    x = 363,602.86

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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.