Home / 699,832.98-965,800.26-393,929.10

Finding the Fourth Proportional to 699,832.98, 965,800.26 and 393,929.10

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Solution

The fourth proportional to 699,832.98, 965,800.26 and 393,929.10 is: 543,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,832.98 : 965,800.26 = 393,929.10 : x
  2. Step 2: Convert to fraction form
    699,832.98/965,800.26 = 393,929.10/x
  3. Step 3: Cross multiply
    699,832.98x = 965,800.26 × 393,929.10
  4. Step 4: Simplify right side
    699,832.98x = 380,456,827,201.57
  5. Step 5: Solve for x
    x = 380,456,827,201.57/699,832.98
  6. Step 6: Final answer
    x = 543,639.47

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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.