Home / 1,284,513.36-1,772,604.72-711,540.96

Finding the Fourth Proportional to 1,284,513.36, 1,772,604.72 and 711,540.96

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Solution

The fourth proportional to 1,284,513.36, 1,772,604.72 and 711,540.96 is: 981,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,513.36 : 1,772,604.72 = 711,540.96 : x
  2. Step 2: Convert to fraction form
    1,284,513.36/1,772,604.72 = 711,540.96/x
  3. Step 3: Cross multiply
    1,284,513.36x = 1,772,604.72 × 711,540.96
  4. Step 4: Simplify right side
    1,284,513.36x = 1,261,280,864,169.33
  5. Step 5: Solve for x
    x = 1,261,280,864,169.33/1,284,513.36
  6. Step 6: Final answer
    x = 981,913.39

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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.