Home / 1,276,198.32-1,761,231.96-703,238.16

Finding the Fourth Proportional to 1,276,198.32, 1,761,231.96 and 703,238.16

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Solution

The fourth proportional to 1,276,198.32, 1,761,231.96 and 703,238.16 is: 970,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,198.32 : 1,761,231.96 = 703,238.16 : x
  2. Step 2: Convert to fraction form
    1,276,198.32/1,761,231.96 = 703,238.16/x
  3. Step 3: Cross multiply
    1,276,198.32x = 1,761,231.96 × 703,238.16
  4. Step 4: Simplify right side
    1,276,198.32x = 1,238,565,522,883.59
  5. Step 5: Solve for x
    x = 1,238,565,522,883.59/1,276,198.32
  6. Step 6: Final answer
    x = 970,511.80

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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.