Home / 489,600.90-733,417.20-330,168.60

Finding the Fourth Proportional to 489,600.90, 733,417.20 and 330,168.60

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Solution

The fourth proportional to 489,600.90, 733,417.20 and 330,168.60 is: 494,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,600.90 : 733,417.20 = 330,168.60 : x
  2. Step 2: Convert to fraction form
    489,600.90/733,417.20 = 330,168.60/x
  3. Step 3: Cross multiply
    489,600.90x = 733,417.20 × 330,168.60
  4. Step 4: Simplify right side
    489,600.90x = 242,151,330,139.92
  5. Step 5: Solve for x
    x = 242,151,330,139.92/489,600.90
  6. Step 6: Final answer
    x = 494,589.23

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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.