Home / 465,723.45-698,749.20-228,907.80

Finding the Fourth Proportional to 465,723.45, 698,749.20 and 228,907.80

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Solution

The fourth proportional to 465,723.45, 698,749.20 and 228,907.80 is: 343,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,723.45 : 698,749.20 = 228,907.80 : x
  2. Step 2: Convert to fraction form
    465,723.45/698,749.20 = 228,907.80/x
  3. Step 3: Cross multiply
    465,723.45x = 698,749.20 × 228,907.80
  4. Step 4: Simplify right side
    465,723.45x = 159,949,142,123.76
  5. Step 5: Solve for x
    x = 159,949,142,123.76/465,723.45
  6. Step 6: Final answer
    x = 343,442.32

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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.