Home / 432,100.20-648,150.30-362,116.20

Finding the Fourth Proportional to 432,100.20, 648,150.30 and 362,116.20

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Solution

The fourth proportional to 432,100.20, 648,150.30 and 362,116.20 is: 543,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,100.20 : 648,150.30 = 362,116.20 : x
  2. Step 2: Convert to fraction form
    432,100.20/648,150.30 = 362,116.20/x
  3. Step 3: Cross multiply
    432,100.20x = 648,150.30 × 362,116.20
  4. Step 4: Simplify right side
    432,100.20x = 234,705,723,664.86
  5. Step 5: Solve for x
    x = 234,705,723,664.86/432,100.20
  6. Step 6: Final answer
    x = 543,174.30

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1.5x scale

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.