Home / 968,690.97-1,336,673.21-538,940.61

Finding the Fourth Proportional to 968,690.97, 1,336,673.21 and 538,940.61

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Solution

The fourth proportional to 968,690.97, 1,336,673.21 and 538,940.61 is: 743,671.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,690.97 : 1,336,673.21 = 538,940.61 : x
  2. Step 2: Convert to fraction form
    968,690.97/1,336,673.21 = 538,940.61/x
  3. Step 3: Cross multiply
    968,690.97x = 1,336,673.21 × 538,940.61
  4. Step 4: Simplify right side
    968,690.97x = 720,387,472,473.36
  5. Step 5: Solve for x
    x = 720,387,472,473.36/968,690.97
  6. Step 6: Final answer
    x = 743,671.09

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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.