Home / 935,703.44-1,291,270.84-505,983.54

Finding the Fourth Proportional to 935,703.44, 1,291,270.84 and 505,983.54

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Solution

The fourth proportional to 935,703.44, 1,291,270.84 and 505,983.54 is: 698,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,703.44 : 1,291,270.84 = 505,983.54 : x
  2. Step 2: Convert to fraction form
    935,703.44/1,291,270.84 = 505,983.54/x
  3. Step 3: Cross multiply
    935,703.44x = 1,291,270.84 × 505,983.54
  4. Step 4: Simplify right side
    935,703.44x = 653,361,790,721.97
  5. Step 5: Solve for x
    x = 653,361,790,721.97/935,703.44
  6. Step 6: Final answer
    x = 698,257.34

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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.