Home / 489,828.06-734,566.59-174,222.09

Finding the Fourth Proportional to 489,828.06, 734,566.59 and 174,222.09

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Solution

The fourth proportional to 489,828.06, 734,566.59 and 174,222.09 is: 261,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,828.06 : 734,566.59 = 174,222.09 : x
  2. Step 2: Convert to fraction form
    489,828.06/734,566.59 = 174,222.09/x
  3. Step 3: Cross multiply
    489,828.06x = 734,566.59 × 174,222.09
  4. Step 4: Simplify right side
    489,828.06x = 127,977,726,553.97
  5. Step 5: Solve for x
    x = 127,977,726,553.97/489,828.06
  6. Step 6: Final answer
    x = 261,270.71

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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.