Home / 855,053.60-1,179,955.71-467,867.52

Finding the Fourth Proportional to 855,053.60, 1,179,955.71 and 467,867.52

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Solution

The fourth proportional to 855,053.60, 1,179,955.71 and 467,867.52 is: 645,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,053.60 : 1,179,955.71 = 467,867.52 : x
  2. Step 2: Convert to fraction form
    855,053.60/1,179,955.71 = 467,867.52/x
  3. Step 3: Cross multiply
    855,053.60x = 1,179,955.71 × 467,867.52
  4. Step 4: Simplify right side
    855,053.60x = 552,062,951,747.54
  5. Step 5: Solve for x
    x = 552,062,951,747.54/855,053.60
  6. Step 6: Final answer
    x = 645,647.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.