Home / 694,494.82-1,046,947.60-648,201.33

Finding the Fourth Proportional to 694,494.82, 1,046,947.60 and 648,201.33

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Solution

The fourth proportional to 694,494.82, 1,046,947.60 and 648,201.33 is: 977,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,494.82 : 1,046,947.60 = 648,201.33 : x
  2. Step 2: Convert to fraction form
    694,494.82/1,046,947.60 = 648,201.33/x
  3. Step 3: Cross multiply
    694,494.82x = 1,046,947.60 × 648,201.33
  4. Step 4: Simplify right side
    694,494.82x = 678,632,825,139.81
  5. Step 5: Solve for x
    x = 678,632,825,139.81/694,494.82
  6. Step 6: Final answer
    x = 977,160.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.