Home / 683,243.22-1,024,687.98-203,358.36

Finding the Fourth Proportional to 683,243.22, 1,024,687.98 and 203,358.36

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Solution

The fourth proportional to 683,243.22, 1,024,687.98 and 203,358.36 is: 304,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,243.22 : 1,024,687.98 = 203,358.36 : x
  2. Step 2: Convert to fraction form
    683,243.22/1,024,687.98 = 203,358.36/x
  3. Step 3: Cross multiply
    683,243.22x = 1,024,687.98 × 203,358.36
  4. Step 4: Simplify right side
    683,243.22x = 208,378,867,124.51
  5. Step 5: Solve for x
    x = 208,378,867,124.51/683,243.22
  6. Step 6: Final answer
    x = 304,984.90

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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.