Home / 1,090,216.41-1,635,369.71-321,714.14

Finding the Fourth Proportional to 1,090,216.41, 1,635,369.71 and 321,714.14

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Solution

The fourth proportional to 1,090,216.41, 1,635,369.71 and 321,714.14 is: 482,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,216.41 : 1,635,369.71 = 321,714.14 : x
  2. Step 2: Convert to fraction form
    1,090,216.41/1,635,369.71 = 321,714.14/x
  3. Step 3: Cross multiply
    1,090,216.41x = 1,635,369.71 × 321,714.14
  4. Step 4: Simplify right side
    1,090,216.41x = 526,121,550,049.28
  5. Step 5: Solve for x
    x = 526,121,550,049.28/1,090,216.41
  6. Step 6: Final answer
    x = 482,584.51

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Double scale
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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.