Home / 446,303.97-669,569.24-206,590.66

Finding the Fourth Proportional to 446,303.97, 669,569.24 and 206,590.66

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Solution

The fourth proportional to 446,303.97, 669,569.24 and 206,590.66 is: 309,938.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,303.97 : 669,569.24 = 206,590.66 : x
  2. Step 2: Convert to fraction form
    446,303.97/669,569.24 = 206,590.66/x
  3. Step 3: Cross multiply
    446,303.97x = 669,569.24 × 206,590.66
  4. Step 4: Simplify right side
    446,303.97x = 138,326,751,786.02
  5. Step 5: Solve for x
    x = 138,326,751,786.02/446,303.97
  6. Step 6: Final answer
    x = 309,938.43

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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.