Home / 856,338.51-1,181,696.36-469,076.52

Finding the Fourth Proportional to 856,338.51, 1,181,696.36 and 469,076.52

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Solution

The fourth proportional to 856,338.51, 1,181,696.36 and 469,076.52 is: 647,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,338.51 : 1,181,696.36 = 469,076.52 : x
  2. Step 2: Convert to fraction form
    856,338.51/1,181,696.36 = 469,076.52/x
  3. Step 3: Cross multiply
    856,338.51x = 1,181,696.36 × 469,076.52
  4. Step 4: Simplify right side
    856,338.51x = 554,306,013,900.09
  5. Step 5: Solve for x
    x = 554,306,013,900.09/856,338.51
  6. Step 6: Final answer
    x = 647,297.78

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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.