Home / 465,556.56-698,321.04-128,617.44

Finding the Fourth Proportional to 465,556.56, 698,321.04 and 128,617.44

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Solution

The fourth proportional to 465,556.56, 698,321.04 and 128,617.44 is: 192,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,556.56 : 698,321.04 = 128,617.44 : x
  2. Step 2: Convert to fraction form
    465,556.56/698,321.04 = 128,617.44/x
  3. Step 3: Cross multiply
    465,556.56x = 698,321.04 × 128,617.44
  4. Step 4: Simplify right side
    465,556.56x = 89,816,264,462.94
  5. Step 5: Solve for x
    x = 89,816,264,462.94/465,556.56
  6. Step 6: Final answer
    x = 192,922.35

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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.