Home / 465,905.17-698,742.33-199,635.49

Finding the Fourth Proportional to 465,905.17, 698,742.33 and 199,635.49

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Solution

The fourth proportional to 465,905.17, 698,742.33 and 199,635.49 is: 299,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,905.17 : 698,742.33 = 199,635.49 : x
  2. Step 2: Convert to fraction form
    465,905.17/698,742.33 = 199,635.49/x
  3. Step 3: Cross multiply
    465,905.17x = 698,742.33 × 199,635.49
  4. Step 4: Simplify right side
    465,905.17x = 139,493,767,433.29
  5. Step 5: Solve for x
    x = 139,493,767,433.29/465,905.17
  6. Step 6: Final answer
    x = 299,403.78

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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.