Home / 1,665,528.24-2,498,284.05-403,355.86

Finding the Fourth Proportional to 1,665,528.24, 2,498,284.05 and 403,355.86

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Solution

The fourth proportional to 1,665,528.24, 2,498,284.05 and 403,355.86 is: 605,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,528.24 : 2,498,284.05 = 403,355.86 : x
  2. Step 2: Convert to fraction form
    1,665,528.24/2,498,284.05 = 403,355.86/x
  3. Step 3: Cross multiply
    1,665,528.24x = 2,498,284.05 × 403,355.86
  4. Step 4: Simplify right side
    1,665,528.24x = 1,007,697,511,512.03
  5. Step 5: Solve for x
    x = 1,007,697,511,512.03/1,665,528.24
  6. Step 6: Final answer
    x = 605,031.78

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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.