Home / 446,939.25-669,508.56-206,714.31

Finding the Fourth Proportional to 446,939.25, 669,508.56 and 206,714.31

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Solution

The fourth proportional to 446,939.25, 669,508.56 and 206,714.31 is: 309,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,939.25 : 669,508.56 = 206,714.31 : x
  2. Step 2: Convert to fraction form
    446,939.25/669,508.56 = 206,714.31/x
  3. Step 3: Cross multiply
    446,939.25x = 669,508.56 × 206,714.31
  4. Step 4: Simplify right side
    446,939.25x = 138,397,000,019.49
  5. Step 5: Solve for x
    x = 138,397,000,019.49/446,939.25
  6. Step 6: Final answer
    x = 309,655.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.