Home / 465,684.60-697,942.50-199,131.72

Finding the Fourth Proportional to 465,684.60, 697,942.50 and 199,131.72

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Solution

The fourth proportional to 465,684.60, 697,942.50 and 199,131.72 is: 298,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,684.60 : 697,942.50 = 199,131.72 : x
  2. Step 2: Convert to fraction form
    465,684.60/697,942.50 = 199,131.72/x
  3. Step 3: Cross multiply
    465,684.60x = 697,942.50 × 199,131.72
  4. Step 4: Simplify right side
    465,684.60x = 138,982,490,486.10
  5. Step 5: Solve for x
    x = 138,982,490,486.10/465,684.60
  6. Step 6: Final answer
    x = 298,447.68

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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.