Home / 489,632.40-733,464.45-330,200.10

Finding the Fourth Proportional to 489,632.40, 733,464.45 and 330,200.10

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Solution

The fourth proportional to 489,632.40, 733,464.45 and 330,200.10 is: 494,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,632.40 : 733,464.45 = 330,200.10 : x
  2. Step 2: Convert to fraction form
    489,632.40/733,464.45 = 330,200.10/x
  3. Step 3: Cross multiply
    489,632.40x = 733,464.45 × 330,200.10
  4. Step 4: Simplify right side
    489,632.40x = 242,190,034,736.45
  5. Step 5: Solve for x
    x = 242,190,034,736.45/489,632.40
  6. Step 6: Final answer
    x = 494,636.46

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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.