Home / 702,613.54-1,053,949.47-203,977.54

Finding the Fourth Proportional to 702,613.54, 1,053,949.47 and 203,977.54

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Solution

The fourth proportional to 702,613.54, 1,053,949.47 and 203,977.54 is: 305,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,613.54 : 1,053,949.47 = 203,977.54 : x
  2. Step 2: Convert to fraction form
    702,613.54/1,053,949.47 = 203,977.54/x
  3. Step 3: Cross multiply
    702,613.54x = 1,053,949.47 × 203,977.54
  4. Step 4: Simplify right side
    702,613.54x = 214,982,020,174.90
  5. Step 5: Solve for x
    x = 214,982,020,174.90/702,613.54
  6. Step 6: Final answer
    x = 305,974.78

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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.