Home / 1,395,534.88-1,926,046.38-851,985.75

Finding the Fourth Proportional to 1,395,534.88, 1,926,046.38 and 851,985.75

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Solution

The fourth proportional to 1,395,534.88, 1,926,046.38 and 851,985.75 is: 1,175,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,534.88 : 1,926,046.38 = 851,985.75 : x
  2. Step 2: Convert to fraction form
    1,395,534.88/1,926,046.38 = 851,985.75/x
  3. Step 3: Cross multiply
    1,395,534.88x = 1,926,046.38 × 851,985.75
  4. Step 4: Simplify right side
    1,395,534.88x = 1,640,964,069,599.09
  5. Step 5: Solve for x
    x = 1,640,964,069,599.09/1,395,534.88
  6. Step 6: Final answer
    x = 1,175,867.47

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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.