Home / 456,079.22-629,385.21-252,135.32

Finding the Fourth Proportional to 456,079.22, 629,385.21 and 252,135.32

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Solution

The fourth proportional to 456,079.22, 629,385.21 and 252,135.32 is: 347,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,079.22 : 629,385.21 = 252,135.32 : x
  2. Step 2: Convert to fraction form
    456,079.22/629,385.21 = 252,135.32/x
  3. Step 3: Cross multiply
    456,079.22x = 629,385.21 × 252,135.32
  4. Step 4: Simplify right side
    456,079.22x = 158,690,242,900.08
  5. Step 5: Solve for x
    x = 158,690,242,900.08/456,079.22
  6. Step 6: Final answer
    x = 347,944.47

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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.