Home / 351,743.77-527,625.51-219,007.45

Finding the Fourth Proportional to 351,743.77, 527,625.51 and 219,007.45

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Solution

The fourth proportional to 351,743.77, 527,625.51 and 219,007.45 is: 328,517.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,743.77 : 527,625.51 = 219,007.45 : x
  2. Step 2: Convert to fraction form
    351,743.77/527,625.51 = 219,007.45/x
  3. Step 3: Cross multiply
    351,743.77x = 527,625.51 × 219,007.45
  4. Step 4: Simplify right side
    351,743.77x = 115,553,917,500.05
  5. Step 5: Solve for x
    x = 115,553,917,500.05/351,743.77
  6. Step 6: Final answer
    x = 328,517.31

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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.