Home / 625,849.96-938,848.26-199,236.32

Finding the Fourth Proportional to 625,849.96, 938,848.26 and 199,236.32

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Solution

The fourth proportional to 625,849.96, 938,848.26 and 199,236.32 is: 298,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,849.96 : 938,848.26 = 199,236.32 : x
  2. Step 2: Convert to fraction form
    625,849.96/938,848.26 = 199,236.32/x
  3. Step 3: Cross multiply
    625,849.96x = 938,848.26 × 199,236.32
  4. Step 4: Simplify right side
    625,849.96x = 187,052,672,360.80
  5. Step 5: Solve for x
    x = 187,052,672,360.80/625,849.96
  6. Step 6: Final answer
    x = 298,877.82

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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.