Home / 1,212,617.78-1,819,232.52-403,006.44

Finding the Fourth Proportional to 1,212,617.78, 1,819,232.52 and 403,006.44

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Solution

The fourth proportional to 1,212,617.78, 1,819,232.52 and 403,006.44 is: 604,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,617.78 : 1,819,232.52 = 403,006.44 : x
  2. Step 2: Convert to fraction form
    1,212,617.78/1,819,232.52 = 403,006.44/x
  3. Step 3: Cross multiply
    1,212,617.78x = 1,819,232.52 × 403,006.44
  4. Step 4: Simplify right side
    1,212,617.78x = 733,162,419,402.40
  5. Step 5: Solve for x
    x = 733,162,419,402.40/1,212,617.78
  6. Step 6: Final answer
    x = 604,611.31

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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.