Home / 1,665,940.84-2,498,911.36-403,768.46

Finding the Fourth Proportional to 1,665,940.84, 2,498,911.36 and 403,768.46

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Solution

The fourth proportional to 1,665,940.84, 2,498,911.36 and 403,768.46 is: 605,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,940.84 : 2,498,911.36 = 403,768.46 : x
  2. Step 2: Convert to fraction form
    1,665,940.84/2,498,911.36 = 403,768.46/x
  3. Step 3: Cross multiply
    1,665,940.84x = 2,498,911.36 × 403,768.46
  4. Step 4: Simplify right side
    1,665,940.84x = 1,008,981,596,741.56
  5. Step 5: Solve for x
    x = 1,008,981,596,741.56/1,665,940.84
  6. Step 6: Final answer
    x = 605,652.72

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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.