Home / 456,442.56-629,842.32-252,461.04

Finding the Fourth Proportional to 456,442.56, 629,842.32 and 252,461.04

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Solution

The fourth proportional to 456,442.56, 629,842.32 and 252,461.04 is: 348,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,442.56 : 629,842.32 = 252,461.04 : x
  2. Step 2: Convert to fraction form
    456,442.56/629,842.32 = 252,461.04/x
  3. Step 3: Cross multiply
    456,442.56x = 629,842.32 × 252,461.04
  4. Step 4: Simplify right side
    456,442.56x = 159,010,647,143.21
  5. Step 5: Solve for x
    x = 159,010,647,143.21/456,442.56
  6. Step 6: Final answer
    x = 348,369.46

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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.