Home / 465,822.72-698,734.23-145,999.41

Finding the Fourth Proportional to 465,822.72, 698,734.23 and 145,999.41

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Solution

The fourth proportional to 465,822.72, 698,734.23 and 145,999.41 is: 218,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,822.72 : 698,734.23 = 145,999.41 : x
  2. Step 2: Convert to fraction form
    465,822.72/698,734.23 = 145,999.41/x
  3. Step 3: Cross multiply
    465,822.72x = 698,734.23 × 145,999.41
  4. Step 4: Simplify right side
    465,822.72x = 102,014,785,326.80
  5. Step 5: Solve for x
    x = 102,014,785,326.80/465,822.72
  6. Step 6: Final answer
    x = 218,999.16

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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.