Home / 432,101.20-648,151.80-362,117.20

Finding the Fourth Proportional to 432,101.20, 648,151.80 and 362,117.20

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Solution

The fourth proportional to 432,101.20, 648,151.80 and 362,117.20 is: 543,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,101.20 : 648,151.80 = 362,117.20 : x
  2. Step 2: Convert to fraction form
    432,101.20/648,151.80 = 362,117.20/x
  3. Step 3: Cross multiply
    432,101.20x = 648,151.80 × 362,117.20
  4. Step 4: Simplify right side
    432,101.20x = 234,706,914,990.96
  5. Step 5: Solve for x
    x = 234,706,914,990.96/432,101.20
  6. Step 6: Final answer
    x = 543,175.80

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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.