Home / 694,876.20-1,040,564.70-456,930.60

Finding the Fourth Proportional to 694,876.20, 1,040,564.70 and 456,930.60

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Solution

The fourth proportional to 694,876.20, 1,040,564.70 and 456,930.60 is: 684,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,876.20 : 1,040,564.70 = 456,930.60 : x
  2. Step 2: Convert to fraction form
    694,876.20/1,040,564.70 = 456,930.60/x
  3. Step 3: Cross multiply
    694,876.20x = 1,040,564.70 × 456,930.60
  4. Step 4: Simplify right side
    694,876.20x = 475,465,852,709.82
  5. Step 5: Solve for x
    x = 475,465,852,709.82/694,876.20
  6. Step 6: Final answer
    x = 684,245.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.