Home / 465,129.48-641,883.08-263,909.64

Finding the Fourth Proportional to 465,129.48, 641,883.08 and 263,909.64

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Solution

The fourth proportional to 465,129.48, 641,883.08 and 263,909.64 is: 364,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,129.48 : 641,883.08 = 263,909.64 : x
  2. Step 2: Convert to fraction form
    465,129.48/641,883.08 = 263,909.64/x
  3. Step 3: Cross multiply
    465,129.48x = 641,883.08 × 263,909.64
  4. Step 4: Simplify right side
    465,129.48x = 169,399,132,564.89
  5. Step 5: Solve for x
    x = 169,399,132,564.89/465,129.48
  6. Step 6: Final answer
    x = 364,197.80

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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.