Home / 2,221,213.97-3,331,820.99-538,317.47

Finding the Fourth Proportional to 2,221,213.97, 3,331,820.99 and 538,317.47

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Solution

The fourth proportional to 2,221,213.97, 3,331,820.99 and 538,317.47 is: 807,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,213.97 : 3,331,820.99 = 538,317.47 : x
  2. Step 2: Convert to fraction form
    2,221,213.97/3,331,820.99 = 538,317.47/x
  3. Step 3: Cross multiply
    2,221,213.97x = 3,331,820.99 × 538,317.47
  4. Step 4: Simplify right side
    2,221,213.97x = 1,793,577,446,134.30
  5. Step 5: Solve for x
    x = 1,793,577,446,134.30/2,221,213.97
  6. Step 6: Final answer
    x = 807,476.21

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Double scale
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Similar ratio
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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.