Home / 1,259,761.86-1,889,737.56-361,196.46

Finding the Fourth Proportional to 1,259,761.86, 1,889,737.56 and 361,196.46

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Solution

The fourth proportional to 1,259,761.86, 1,889,737.56 and 361,196.46 is: 541,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,761.86 : 1,889,737.56 = 361,196.46 : x
  2. Step 2: Convert to fraction form
    1,259,761.86/1,889,737.56 = 361,196.46/x
  3. Step 3: Cross multiply
    1,259,761.86x = 1,889,737.56 × 361,196.46
  4. Step 4: Simplify right side
    1,259,761.86x = 682,566,517,001.04
  5. Step 5: Solve for x
    x = 682,566,517,001.04/1,259,761.86
  6. Step 6: Final answer
    x = 541,821.86

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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.