Home / 351,394.76-526,540.22-271,628.19

Finding the Fourth Proportional to 351,394.76, 526,540.22 and 271,628.19

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Solution

The fourth proportional to 351,394.76, 526,540.22 and 271,628.19 is: 407,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,394.76 : 526,540.22 = 271,628.19 : x
  2. Step 2: Convert to fraction form
    351,394.76/526,540.22 = 271,628.19/x
  3. Step 3: Cross multiply
    351,394.76x = 526,540.22 × 271,628.19
  4. Step 4: Simplify right side
    351,394.76x = 143,023,164,288.10
  5. Step 5: Solve for x
    x = 143,023,164,288.10/351,394.76
  6. Step 6: Final answer
    x = 407,015.64

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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.