Home / 1,665,939.95-2,498,909.93-403,767.58

Finding the Fourth Proportional to 1,665,939.95, 2,498,909.93 and 403,767.58

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Solution

The fourth proportional to 1,665,939.95, 2,498,909.93 and 403,767.58 is: 605,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,939.95 : 2,498,909.93 = 403,767.58 : x
  2. Step 2: Convert to fraction form
    1,665,939.95/2,498,909.93 = 403,767.58/x
  3. Step 3: Cross multiply
    1,665,939.95x = 2,498,909.93 × 403,767.58
  4. Step 4: Simplify right side
    1,665,939.95x = 1,008,978,801,329.67
  5. Step 5: Solve for x
    x = 1,008,978,801,329.67/1,665,939.95
  6. Step 6: Final answer
    x = 605,651.36

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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.