Home / 986,858.46-1,361,788.66-557,181

Finding the Fourth Proportional to 986,858.46, 1,361,788.66 and 557,181

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Solution

The fourth proportional to 986,858.46, 1,361,788.66 and 557,181 is: 768,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,858.46 : 1,361,788.66 = 557,181 : x
  2. Step 2: Convert to fraction form
    986,858.46/1,361,788.66 = 557,181/x
  3. Step 3: Cross multiply
    986,858.46x = 1,361,788.66 × 557,181
  4. Step 4: Simplify right side
    986,858.46x = 758,762,767,367.46
  5. Step 5: Solve for x
    x = 758,762,767,367.46/986,858.46
  6. Step 6: Final answer
    x = 768,866.86

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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.