Home / 456,429.89-629,720.26-262,833.42

Finding the Fourth Proportional to 456,429.89, 629,720.26 and 262,833.42

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Solution

The fourth proportional to 456,429.89, 629,720.26 and 262,833.42 is: 362,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,429.89 : 629,720.26 = 262,833.42 : x
  2. Step 2: Convert to fraction form
    456,429.89/629,720.26 = 262,833.42/x
  3. Step 3: Cross multiply
    456,429.89x = 629,720.26 × 262,833.42
  4. Step 4: Simplify right side
    456,429.89x = 165,511,529,579.09
  5. Step 5: Solve for x
    x = 165,511,529,579.09/456,429.89
  6. Step 6: Final answer
    x = 362,622.02

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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.