Home / 763,620.66-1,053,735.06-441,351.63

Finding the Fourth Proportional to 763,620.66, 1,053,735.06 and 441,351.63

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Solution

The fourth proportional to 763,620.66, 1,053,735.06 and 441,351.63 is: 609,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,620.66 : 1,053,735.06 = 441,351.63 : x
  2. Step 2: Convert to fraction form
    763,620.66/1,053,735.06 = 441,351.63/x
  3. Step 3: Cross multiply
    763,620.66x = 1,053,735.06 × 441,351.63
  4. Step 4: Simplify right side
    763,620.66x = 465,067,684,112.39
  5. Step 5: Solve for x
    x = 465,067,684,112.39/763,620.66
  6. Step 6: Final answer
    x = 609,029.73

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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.