Home / 1,181,186.45-1,770,340.25-612,253.89

Finding the Fourth Proportional to 1,181,186.45, 1,770,340.25 and 612,253.89

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Solution

The fourth proportional to 1,181,186.45, 1,770,340.25 and 612,253.89 is: 917,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,186.45 : 1,770,340.25 = 612,253.89 : x
  2. Step 2: Convert to fraction form
    1,181,186.45/1,770,340.25 = 612,253.89/x
  3. Step 3: Cross multiply
    1,181,186.45x = 1,770,340.25 × 612,253.89
  4. Step 4: Simplify right side
    1,181,186.45x = 1,083,897,706,216.71
  5. Step 5: Solve for x
    x = 1,083,897,706,216.71/1,181,186.45
  6. Step 6: Final answer
    x = 917,634.73

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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.