Home / 696,753.36-961,518.96-394,947.36

Finding the Fourth Proportional to 696,753.36, 961,518.96 and 394,947.36

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Solution

The fourth proportional to 696,753.36, 961,518.96 and 394,947.36 is: 545,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,753.36 : 961,518.96 = 394,947.36 : x
  2. Step 2: Convert to fraction form
    696,753.36/961,518.96 = 394,947.36/x
  3. Step 3: Cross multiply
    696,753.36x = 961,518.96 × 394,947.36
  4. Step 4: Simplify right side
    696,753.36x = 379,749,374,841.95
  5. Step 5: Solve for x
    x = 379,749,374,841.95/696,753.36
  6. Step 6: Final answer
    x = 545,026.97

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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.