Home / 263,610.80-395,416.20-251,363.60

Finding the Fourth Proportional to 263,610.80, 395,416.20 and 251,363.60

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Solution

The fourth proportional to 263,610.80, 395,416.20 and 251,363.60 is: 377,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,610.80 : 395,416.20 = 251,363.60 : x
  2. Step 2: Convert to fraction form
    263,610.80/395,416.20 = 251,363.60/x
  3. Step 3: Cross multiply
    263,610.80x = 395,416.20 × 251,363.60
  4. Step 4: Simplify right side
    263,610.80x = 99,393,239,530.32
  5. Step 5: Solve for x
    x = 99,393,239,530.32/263,610.80
  6. Step 6: Final answer
    x = 377,045.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.