Home / 526,335.88-789,201.50-206,112.76

Finding the Fourth Proportional to 526,335.88, 789,201.50 and 206,112.76

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Solution

The fourth proportional to 526,335.88, 789,201.50 and 206,112.76 is: 309,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,335.88 : 789,201.50 = 206,112.76 : x
  2. Step 2: Convert to fraction form
    526,335.88/789,201.50 = 206,112.76/x
  3. Step 3: Cross multiply
    526,335.88x = 789,201.50 × 206,112.76
  4. Step 4: Simplify right side
    526,335.88x = 162,664,499,361.14
  5. Step 5: Solve for x
    x = 162,664,499,361.14/526,335.88
  6. Step 6: Final answer
    x = 309,050.75

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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.