Home / 855,936.78-1,181,191.92-473,963.56

Finding the Fourth Proportional to 855,936.78, 1,181,191.92 and 473,963.56

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Solution

The fourth proportional to 855,936.78, 1,181,191.92 and 473,963.56 is: 654,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,936.78 : 1,181,191.92 = 473,963.56 : x
  2. Step 2: Convert to fraction form
    855,936.78/1,181,191.92 = 473,963.56/x
  3. Step 3: Cross multiply
    855,936.78x = 1,181,191.92 × 473,963.56
  4. Step 4: Simplify right side
    855,936.78x = 559,841,927,446.44
  5. Step 5: Solve for x
    x = 559,841,927,446.44/855,936.78
  6. Step 6: Final answer
    x = 654,069.25

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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.