Home / 465,331.80-698,127.30-228,682.20

Finding the Fourth Proportional to 465,331.80, 698,127.30 and 228,682.20

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Solution

The fourth proportional to 465,331.80, 698,127.30 and 228,682.20 is: 343,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,331.80 : 698,127.30 = 228,682.20 : x
  2. Step 2: Convert to fraction form
    465,331.80/698,127.30 = 228,682.20/x
  3. Step 3: Cross multiply
    465,331.80x = 698,127.30 × 228,682.20
  4. Step 4: Simplify right side
    465,331.80x = 159,649,286,844.06
  5. Step 5: Solve for x
    x = 159,649,286,844.06/465,331.80
  6. Step 6: Final answer
    x = 343,086.99

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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.