Home / 824,667.37-1,236,611.16-319,464.97

Finding the Fourth Proportional to 824,667.37, 1,236,611.16 and 319,464.97

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Solution

The fourth proportional to 824,667.37, 1,236,611.16 and 319,464.97 is: 479,046.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,667.37 : 1,236,611.16 = 319,464.97 : x
  2. Step 2: Convert to fraction form
    824,667.37/1,236,611.16 = 319,464.97/x
  3. Step 3: Cross multiply
    824,667.37x = 1,236,611.16 × 319,464.97
  4. Step 4: Simplify right side
    824,667.37x = 395,053,947,131.07
  5. Step 5: Solve for x
    x = 395,053,947,131.07/824,667.37
  6. Step 6: Final answer
    x = 479,046.41

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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.