Home / 465,771.13-698,479.27-305,804.23

Finding the Fourth Proportional to 465,771.13, 698,479.27 and 305,804.23

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Solution

The fourth proportional to 465,771.13, 698,479.27 and 305,804.23 is: 458,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,771.13 : 698,479.27 = 305,804.23 : x
  2. Step 2: Convert to fraction form
    465,771.13/698,479.27 = 305,804.23/x
  3. Step 3: Cross multiply
    465,771.13x = 698,479.27 × 305,804.23
  4. Step 4: Simplify right side
    465,771.13x = 213,597,912,822.60
  5. Step 5: Solve for x
    x = 213,597,912,822.60/465,771.13
  6. Step 6: Final answer
    x = 458,589.85

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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.