Home / 455,962.56-629,240.21-252,016.70

Finding the Fourth Proportional to 455,962.56, 629,240.21 and 252,016.70

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Solution

The fourth proportional to 455,962.56, 629,240.21 and 252,016.70 is: 347,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,962.56 : 629,240.21 = 252,016.70 : x
  2. Step 2: Convert to fraction form
    455,962.56/629,240.21 = 252,016.70/x
  3. Step 3: Cross multiply
    455,962.56x = 629,240.21 × 252,016.70
  4. Step 4: Simplify right side
    455,962.56x = 158,579,036,825.22
  5. Step 5: Solve for x
    x = 158,579,036,825.22/455,962.56
  6. Step 6: Final answer
    x = 347,789.60

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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.