Home / 489,230.55-733,918.73-173,661.03

Finding the Fourth Proportional to 489,230.55, 733,918.73 and 173,661.03

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Solution

The fourth proportional to 489,230.55, 733,918.73 and 173,661.03 is: 260,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,230.55 : 733,918.73 = 173,661.03 : x
  2. Step 2: Convert to fraction form
    489,230.55/733,918.73 = 173,661.03/x
  3. Step 3: Cross multiply
    489,230.55x = 733,918.73 × 173,661.03
  4. Step 4: Simplify right side
    489,230.55x = 127,453,081,719.79
  5. Step 5: Solve for x
    x = 127,453,081,719.79/489,230.55
  6. Step 6: Final answer
    x = 260,517.42

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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.