Home / 432,209.20-647,536.20-370,001.20

Finding the Fourth Proportional to 432,209.20, 647,536.20 and 370,001.20

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Solution

The fourth proportional to 432,209.20, 647,536.20 and 370,001.20 is: 554,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,209.20 : 647,536.20 = 370,001.20 : x
  2. Step 2: Convert to fraction form
    432,209.20/647,536.20 = 370,001.20/x
  3. Step 3: Cross multiply
    432,209.20x = 647,536.20 × 370,001.20
  4. Step 4: Simplify right side
    432,209.20x = 239,589,171,043.44
  5. Step 5: Solve for x
    x = 239,589,171,043.44/432,209.20
  6. Step 6: Final answer
    x = 554,336.12

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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.