Home / 432,964.90-648,463.20-222,356.80

Finding the Fourth Proportional to 432,964.90, 648,463.20 and 222,356.80

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Solution

The fourth proportional to 432,964.90, 648,463.20 and 222,356.80 is: 333,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,964.90 : 648,463.20 = 222,356.80 : x
  2. Step 2: Convert to fraction form
    432,964.90/648,463.20 = 222,356.80/x
  3. Step 3: Cross multiply
    432,964.90x = 648,463.20 × 222,356.80
  4. Step 4: Simplify right side
    432,964.90x = 144,190,202,069.76
  5. Step 5: Solve for x
    x = 144,190,202,069.76/432,964.90
  6. Step 6: Final answer
    x = 333,029.77

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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.