Home / 763,960.43-1,054,203.67-441,691.30

Finding the Fourth Proportional to 763,960.43, 1,054,203.67 and 441,691.30

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Solution

The fourth proportional to 763,960.43, 1,054,203.67 and 441,691.30 is: 609,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,960.43 : 1,054,203.67 = 441,691.30 : x
  2. Step 2: Convert to fraction form
    763,960.43/1,054,203.67 = 441,691.30/x
  3. Step 3: Cross multiply
    763,960.43x = 1,054,203.67 × 441,691.30
  4. Step 4: Simplify right side
    763,960.43x = 465,632,589,467.07
  5. Step 5: Solve for x
    x = 465,632,589,467.07/763,960.43
  6. Step 6: Final answer
    x = 609,498.31

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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.