Home / 456,185.04-629,524.20-252,230.78

Finding the Fourth Proportional to 456,185.04, 629,524.20 and 252,230.78

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Solution

The fourth proportional to 456,185.04, 629,524.20 and 252,230.78 is: 348,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,185.04 : 629,524.20 = 252,230.78 : x
  2. Step 2: Convert to fraction form
    456,185.04/629,524.20 = 252,230.78/x
  3. Step 3: Cross multiply
    456,185.04x = 629,524.20 × 252,230.78
  4. Step 4: Simplify right side
    456,185.04x = 158,785,379,994.88
  5. Step 5: Solve for x
    x = 158,785,379,994.88/456,185.04
  6. Step 6: Final answer
    x = 348,072.31

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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.