Home / 1,284,623.17-1,772,650.77-711,556.27

Finding the Fourth Proportional to 1,284,623.17, 1,772,650.77 and 711,556.27

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Solution

The fourth proportional to 1,284,623.17, 1,772,650.77 and 711,556.27 is: 981,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,623.17 : 1,772,650.77 = 711,556.27 : x
  2. Step 2: Convert to fraction form
    1,284,623.17/1,772,650.77 = 711,556.27/x
  3. Step 3: Cross multiply
    1,284,623.17x = 1,772,650.77 × 711,556.27
  4. Step 4: Simplify right side
    1,284,623.17x = 1,261,340,769,913.83
  5. Step 5: Solve for x
    x = 1,261,340,769,913.83/1,284,623.17
  6. Step 6: Final answer
    x = 981,876.09

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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.