Home / 456,120.14-629,418.68-252,158.85

Finding the Fourth Proportional to 456,120.14, 629,418.68 and 252,158.85

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Solution

The fourth proportional to 456,120.14, 629,418.68 and 252,158.85 is: 347,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,120.14 : 629,418.68 = 252,158.85 : x
  2. Step 2: Convert to fraction form
    456,120.14/629,418.68 = 252,158.85/x
  3. Step 3: Cross multiply
    456,120.14x = 629,418.68 × 252,158.85
  4. Step 4: Simplify right side
    456,120.14x = 158,713,489,256.52
  5. Step 5: Solve for x
    x = 158,713,489,256.52/456,120.14
  6. Step 6: Final answer
    x = 347,964.22

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1.5x scale

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.