Home / 1,284,511.36-1,772,601.96-711,538.96

Finding the Fourth Proportional to 1,284,511.36, 1,772,601.96 and 711,538.96

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Solution

The fourth proportional to 1,284,511.36, 1,772,601.96 and 711,538.96 is: 981,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,511.36 : 1,772,601.96 = 711,538.96 : x
  2. Step 2: Convert to fraction form
    1,284,511.36/1,772,601.96 = 711,538.96/x
  3. Step 3: Cross multiply
    1,284,511.36x = 1,772,601.96 × 711,538.96
  4. Step 4: Simplify right side
    1,284,511.36x = 1,261,275,355,112.36
  5. Step 5: Solve for x
    x = 1,261,275,355,112.36/1,284,511.36
  6. Step 6: Final answer
    x = 981,910.63

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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.