Home / 493,515.86-681,054.07-267,161.36

Finding the Fourth Proportional to 493,515.86, 681,054.07 and 267,161.36

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Solution

The fourth proportional to 493,515.86, 681,054.07 and 267,161.36 is: 368,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,515.86 : 681,054.07 = 267,161.36 : x
  2. Step 2: Convert to fraction form
    493,515.86/681,054.07 = 267,161.36/x
  3. Step 3: Cross multiply
    493,515.86x = 681,054.07 × 267,161.36
  4. Step 4: Simplify right side
    493,515.86x = 181,951,332,609.47
  5. Step 5: Solve for x
    x = 181,951,332,609.47/493,515.86
  6. Step 6: Final answer
    x = 368,683.86

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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.