Home / 704,121.30-1,054,208.79-366,425.82

Finding the Fourth Proportional to 704,121.30, 1,054,208.79 and 366,425.82

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Solution

The fourth proportional to 704,121.30, 1,054,208.79 and 366,425.82 is: 548,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,121.30 : 1,054,208.79 = 366,425.82 : x
  2. Step 2: Convert to fraction form
    704,121.30/1,054,208.79 = 366,425.82/x
  3. Step 3: Cross multiply
    704,121.30x = 1,054,208.79 × 366,425.82
  4. Step 4: Simplify right side
    704,121.30x = 386,289,320,326.96
  5. Step 5: Solve for x
    x = 386,289,320,326.96/704,121.30
  6. Step 6: Final answer
    x = 548,611.89

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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.