Home / 456,120.52-629,419.20-252,159.23

Finding the Fourth Proportional to 456,120.52, 629,419.20 and 252,159.23

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Solution

The fourth proportional to 456,120.52, 629,419.20 and 252,159.23 is: 347,964.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,120.52 : 629,419.20 = 252,159.23 : x
  2. Step 2: Convert to fraction form
    456,120.52/629,419.20 = 252,159.23/x
  3. Step 3: Cross multiply
    456,120.52x = 629,419.20 × 252,159.23
  4. Step 4: Simplify right side
    456,120.52x = 158,713,860,819.22
  5. Step 5: Solve for x
    x = 158,713,860,819.22/456,120.52
  6. Step 6: Final answer
    x = 347,964.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.