Home / 851,324.23-1,175,042.06-511,992.55

Finding the Fourth Proportional to 851,324.23, 1,175,042.06 and 511,992.55

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Solution

The fourth proportional to 851,324.23, 1,175,042.06 and 511,992.55 is: 706,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,324.23 : 1,175,042.06 = 511,992.55 : x
  2. Step 2: Convert to fraction form
    851,324.23/1,175,042.06 = 511,992.55/x
  3. Step 3: Cross multiply
    851,324.23x = 1,175,042.06 × 511,992.55
  4. Step 4: Simplify right side
    851,324.23x = 601,612,780,656.65
  5. Step 5: Solve for x
    x = 601,612,780,656.65/851,324.23
  6. Step 6: Final answer
    x = 706,678.79

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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.