Home / 397,789.74-595,734.84-228,955.17

Finding the Fourth Proportional to 397,789.74, 595,734.84 and 228,955.17

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Solution

The fourth proportional to 397,789.74, 595,734.84 and 228,955.17 is: 342,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,789.74 : 595,734.84 = 228,955.17 : x
  2. Step 2: Convert to fraction form
    397,789.74/595,734.84 = 228,955.17/x
  3. Step 3: Cross multiply
    397,789.74x = 595,734.84 × 228,955.17
  4. Step 4: Simplify right side
    397,789.74x = 136,396,571,567.12
  5. Step 5: Solve for x
    x = 136,396,571,567.12/397,789.74
  6. Step 6: Final answer
    x = 342,886.10

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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.