Home / 1,665,947.96-2,498,921.92-403,775.56

Finding the Fourth Proportional to 1,665,947.96, 2,498,921.92 and 403,775.56

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Solution

The fourth proportional to 1,665,947.96, 2,498,921.92 and 403,775.56 is: 605,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,947.96 : 2,498,921.92 = 403,775.56 : x
  2. Step 2: Convert to fraction form
    1,665,947.96/2,498,921.92 = 403,775.56/x
  3. Step 3: Cross multiply
    1,665,947.96x = 2,498,921.92 × 403,775.56
  4. Step 4: Simplify right side
    1,665,947.96x = 1,009,003,597,644.28
  5. Step 5: Solve for x
    x = 1,009,003,597,644.28/1,665,947.96
  6. Step 6: Final answer
    x = 605,663.34

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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.