Home / 819,600.34-1,131,007.36-452,141.97

Finding the Fourth Proportional to 819,600.34, 1,131,007.36 and 452,141.97

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Solution

The fourth proportional to 819,600.34, 1,131,007.36 and 452,141.97 is: 623,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,600.34 : 1,131,007.36 = 452,141.97 : x
  2. Step 2: Convert to fraction form
    819,600.34/1,131,007.36 = 452,141.97/x
  3. Step 3: Cross multiply
    819,600.34x = 1,131,007.36 × 452,141.97
  4. Step 4: Simplify right side
    819,600.34x = 511,375,895,834.90
  5. Step 5: Solve for x
    x = 511,375,895,834.90/819,600.34
  6. Step 6: Final answer
    x = 623,933.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.