Home / 263,777.40-395,666.10-252,259.20

Finding the Fourth Proportional to 263,777.40, 395,666.10 and 252,259.20

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Solution

The fourth proportional to 263,777.40, 395,666.10 and 252,259.20 is: 378,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,777.40 : 395,666.10 = 252,259.20 : x
  2. Step 2: Convert to fraction form
    263,777.40/395,666.10 = 252,259.20/x
  3. Step 3: Cross multiply
    263,777.40x = 395,666.10 × 252,259.20
  4. Step 4: Simplify right side
    263,777.40x = 99,810,413,853.12
  5. Step 5: Solve for x
    x = 99,810,413,853.12/263,777.40
  6. Step 6: Final answer
    x = 378,388.80

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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.