Home / 793,686-1,190,701.44-261,261.12

Finding the Fourth Proportional to 793,686, 1,190,701.44 and 261,261.12

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Solution

The fourth proportional to 793,686, 1,190,701.44 and 261,261.12 is: 391,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,686 : 1,190,701.44 = 261,261.12 : x
  2. Step 2: Convert to fraction form
    793,686/1,190,701.44 = 261,261.12/x
  3. Step 3: Cross multiply
    793,686x = 1,190,701.44 × 261,261.12
  4. Step 4: Simplify right side
    793,686x = 311,083,991,800.01
  5. Step 5: Solve for x
    x = 311,083,991,800.01/793,686
  6. Step 6: Final answer
    x = 391,948.44

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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.