Home / 468,845.71-647,007.38-253,986.62

Finding the Fourth Proportional to 468,845.71, 647,007.38 and 253,986.62

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Solution

The fourth proportional to 468,845.71, 647,007.38 and 253,986.62 is: 350,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,845.71 : 647,007.38 = 253,986.62 : x
  2. Step 2: Convert to fraction form
    468,845.71/647,007.38 = 253,986.62/x
  3. Step 3: Cross multiply
    468,845.71x = 647,007.38 × 253,986.62
  4. Step 4: Simplify right side
    468,845.71x = 164,331,217,561.26
  5. Step 5: Solve for x
    x = 164,331,217,561.26/468,845.71
  6. Step 6: Final answer
    x = 350,501.70

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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.