Home / 626,155.92-938,796.12-199,548.72

Finding the Fourth Proportional to 626,155.92, 938,796.12 and 199,548.72

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Solution

The fourth proportional to 626,155.92, 938,796.12 and 199,548.72 is: 299,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,155.92 : 938,796.12 = 199,548.72 : x
  2. Step 2: Convert to fraction form
    626,155.92/938,796.12 = 199,548.72/x
  3. Step 3: Cross multiply
    626,155.92x = 938,796.12 × 199,548.72
  4. Step 4: Simplify right side
    626,155.92x = 187,335,564,086.97
  5. Step 5: Solve for x
    x = 187,335,564,086.97/626,155.92
  6. Step 6: Final answer
    x = 299,183.57

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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.