Home / 432,968.40-648,468.45-222,360.30

Finding the Fourth Proportional to 432,968.40, 648,468.45 and 222,360.30

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Solution

The fourth proportional to 432,968.40, 648,468.45 and 222,360.30 is: 333,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,968.40 : 648,468.45 = 222,360.30 : x
  2. Step 2: Convert to fraction form
    432,968.40/648,468.45 = 222,360.30/x
  3. Step 3: Cross multiply
    432,968.40x = 648,468.45 × 222,360.30
  4. Step 4: Simplify right side
    432,968.40x = 144,193,639,082.54
  5. Step 5: Solve for x
    x = 144,193,639,082.54/432,968.40
  6. Step 6: Final answer
    x = 333,035.02

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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.