Home / 929,502.05-1,394,223.91-511,405.97

Finding the Fourth Proportional to 929,502.05, 1,394,223.91 and 511,405.97

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Solution

The fourth proportional to 929,502.05, 1,394,223.91 and 511,405.97 is: 767,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,502.05 : 1,394,223.91 = 511,405.97 : x
  2. Step 2: Convert to fraction form
    929,502.05/1,394,223.91 = 511,405.97/x
  3. Step 3: Cross multiply
    929,502.05x = 1,394,223.91 × 511,405.97
  4. Step 4: Simplify right side
    929,502.05x = 713,014,422,841.11
  5. Step 5: Solve for x
    x = 713,014,422,841.11/929,502.05
  6. Step 6: Final answer
    x = 767,092.90

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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.