Home / 454,308.48-626,923.26-263,383.92

Finding the Fourth Proportional to 454,308.48, 626,923.26 and 263,383.92

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Solution

The fourth proportional to 454,308.48, 626,923.26 and 263,383.92 is: 363,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,308.48 : 626,923.26 = 263,383.92 : x
  2. Step 2: Convert to fraction form
    454,308.48/626,923.26 = 263,383.92/x
  3. Step 3: Cross multiply
    454,308.48x = 626,923.26 × 263,383.92
  4. Step 4: Simplify right side
    454,308.48x = 165,121,505,757.98
  5. Step 5: Solve for x
    x = 165,121,505,757.98/454,308.48
  6. Step 6: Final answer
    x = 363,456.80

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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.