Home / 410,945.16-616,542.30-291,233.56

Finding the Fourth Proportional to 410,945.16, 616,542.30 and 291,233.56

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Solution

The fourth proportional to 410,945.16, 616,542.30 and 291,233.56 is: 436,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,945.16 : 616,542.30 = 291,233.56 : x
  2. Step 2: Convert to fraction form
    410,945.16/616,542.30 = 291,233.56/x
  3. Step 3: Cross multiply
    410,945.16x = 616,542.30 × 291,233.56
  4. Step 4: Simplify right side
    410,945.16x = 179,557,809,906.65
  5. Step 5: Solve for x
    x = 179,557,809,906.65/410,945.16
  6. Step 6: Final answer
    x = 436,938.62

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1.5x scale

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.