Home / 522,922.17-784,292.97-138,673.71

Finding the Fourth Proportional to 522,922.17, 784,292.97 and 138,673.71

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Solution

The fourth proportional to 522,922.17, 784,292.97 and 138,673.71 is: 207,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,922.17 : 784,292.97 = 138,673.71 : x
  2. Step 2: Convert to fraction form
    522,922.17/784,292.97 = 138,673.71/x
  3. Step 3: Cross multiply
    522,922.17x = 784,292.97 × 138,673.71
  4. Step 4: Simplify right side
    522,922.17x = 108,760,815,876.82
  5. Step 5: Solve for x
    x = 108,760,815,876.82/522,922.17
  6. Step 6: Final answer
    x = 207,986.62

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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.