Home / 1,276,071.82-1,761,103.19-953,221.41

Finding the Fourth Proportional to 1,276,071.82, 1,761,103.19 and 953,221.41

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Solution

The fourth proportional to 1,276,071.82, 1,761,103.19 and 953,221.41 is: 1,315,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,071.82 : 1,761,103.19 = 953,221.41 : x
  2. Step 2: Convert to fraction form
    1,276,071.82/1,761,103.19 = 953,221.41/x
  3. Step 3: Cross multiply
    1,276,071.82x = 1,761,103.19 × 953,221.41
  4. Step 4: Simplify right side
    1,276,071.82x = 1,678,721,268,310.35
  5. Step 5: Solve for x
    x = 1,678,721,268,310.35/1,276,071.82
  6. Step 6: Final answer
    x = 1,315,538.24

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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.