Home / 1,212,768.28-1,819,345.20-403,181.44

Finding the Fourth Proportional to 1,212,768.28, 1,819,345.20 and 403,181.44

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Solution

The fourth proportional to 1,212,768.28, 1,819,345.20 and 403,181.44 is: 604,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,768.28 : 1,819,345.20 = 403,181.44 : x
  2. Step 2: Convert to fraction form
    1,212,768.28/1,819,345.20 = 403,181.44/x
  3. Step 3: Cross multiply
    1,212,768.28x = 1,819,345.20 × 403,181.44
  4. Step 4: Simplify right side
    1,212,768.28x = 733,526,217,593.09
  5. Step 5: Solve for x
    x = 733,526,217,593.09/1,212,768.28
  6. Step 6: Final answer
    x = 604,836.25

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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.