Home / 526,194.09-789,159.78-206,410.95

Finding the Fourth Proportional to 526,194.09, 789,159.78 and 206,410.95

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Solution

The fourth proportional to 526,194.09, 789,159.78 and 206,410.95 is: 309,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,194.09 : 789,159.78 = 206,410.95 : x
  2. Step 2: Convert to fraction form
    526,194.09/789,159.78 = 206,410.95/x
  3. Step 3: Cross multiply
    526,194.09x = 789,159.78 × 206,410.95
  4. Step 4: Simplify right side
    526,194.09x = 162,891,219,891.59
  5. Step 5: Solve for x
    x = 162,891,219,891.59/526,194.09
  6. Step 6: Final answer
    x = 309,564.90

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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.