Home / 685,198.34-944,948.94-588,371.78

Finding the Fourth Proportional to 685,198.34, 944,948.94 and 588,371.78

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Solution

The fourth proportional to 685,198.34, 944,948.94 and 588,371.78 is: 811,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,198.34 : 944,948.94 = 588,371.78 : x
  2. Step 2: Convert to fraction form
    685,198.34/944,948.94 = 588,371.78/x
  3. Step 3: Cross multiply
    685,198.34x = 944,948.94 × 588,371.78
  4. Step 4: Simplify right side
    685,198.34x = 555,981,289,836.91
  5. Step 5: Solve for x
    x = 555,981,289,836.91/685,198.34
  6. Step 6: Final answer
    x = 811,416.57

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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.