Home / 465,685.76-697,944.08-199,132.72

Finding the Fourth Proportional to 465,685.76, 697,944.08 and 199,132.72

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Solution

The fourth proportional to 465,685.76, 697,944.08 and 199,132.72 is: 298,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,685.76 : 697,944.08 = 199,132.72 : x
  2. Step 2: Convert to fraction form
    465,685.76/697,944.08 = 199,132.72/x
  3. Step 3: Cross multiply
    465,685.76x = 697,944.08 × 199,132.72
  4. Step 4: Simplify right side
    465,685.76x = 138,983,503,058.30
  5. Step 5: Solve for x
    x = 138,983,503,058.30/465,685.76
  6. Step 6: Final answer
    x = 298,449.12

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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.