Home / 699,856.24-965,832.34-393,952.36

Finding the Fourth Proportional to 699,856.24, 965,832.34 and 393,952.36

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Solution

The fourth proportional to 699,856.24, 965,832.34 and 393,952.36 is: 543,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,856.24 : 965,832.34 = 393,952.36 : x
  2. Step 2: Convert to fraction form
    699,856.24/965,832.34 = 393,952.36/x
  3. Step 3: Cross multiply
    699,856.24x = 965,832.34 × 393,952.36
  4. Step 4: Simplify right side
    699,856.24x = 380,491,929,707.32
  5. Step 5: Solve for x
    x = 380,491,929,707.32/699,856.24
  6. Step 6: Final answer
    x = 543,671.55

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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.