Home / 927,629.78-1,392,342.54-448,194.82

Finding the Fourth Proportional to 927,629.78, 1,392,342.54 and 448,194.82

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Solution

The fourth proportional to 927,629.78, 1,392,342.54 and 448,194.82 is: 672,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,629.78 : 1,392,342.54 = 448,194.82 : x
  2. Step 2: Convert to fraction form
    927,629.78/1,392,342.54 = 448,194.82/x
  3. Step 3: Cross multiply
    927,629.78x = 1,392,342.54 × 448,194.82
  4. Step 4: Simplify right side
    927,629.78x = 624,040,714,093.64
  5. Step 5: Solve for x
    x = 624,040,714,093.64/927,629.78
  6. Step 6: Final answer
    x = 672,726.05

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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.