Home / 465,549.45-698,310.33-128,610.37

Finding the Fourth Proportional to 465,549.45, 698,310.33 and 128,610.37

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Solution

The fourth proportional to 465,549.45, 698,310.33 and 128,610.37 is: 192,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,549.45 : 698,310.33 = 128,610.37 : x
  2. Step 2: Convert to fraction form
    465,549.45/698,310.33 = 128,610.37/x
  3. Step 3: Cross multiply
    465,549.45x = 698,310.33 × 128,610.37
  4. Step 4: Simplify right side
    465,549.45x = 89,809,949,916.12
  5. Step 5: Solve for x
    x = 89,809,949,916.12/465,549.45
  6. Step 6: Final answer
    x = 192,911.73

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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.