Home / 489,538.73-734,141.78-169,615.93

Finding the Fourth Proportional to 489,538.73, 734,141.78 and 169,615.93

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Solution

The fourth proportional to 489,538.73, 734,141.78 and 169,615.93 is: 254,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,538.73 : 734,141.78 = 169,615.93 : x
  2. Step 2: Convert to fraction form
    489,538.73/734,141.78 = 169,615.93/x
  3. Step 3: Cross multiply
    489,538.73x = 734,141.78 × 169,615.93
  4. Step 4: Simplify right side
    489,538.73x = 124,522,138,083.12
  5. Step 5: Solve for x
    x = 124,522,138,083.12/489,538.73
  6. Step 6: Final answer
    x = 254,366.27

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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.