Home / 1,314,650.75-1,814,218.17-711,038.75

Finding the Fourth Proportional to 1,314,650.75, 1,814,218.17 and 711,038.75

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Solution

The fourth proportional to 1,314,650.75, 1,814,218.17 and 711,038.75 is: 981,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,650.75 : 1,814,218.17 = 711,038.75 : x
  2. Step 2: Convert to fraction form
    1,314,650.75/1,814,218.17 = 711,038.75/x
  3. Step 3: Cross multiply
    1,314,650.75x = 1,814,218.17 × 711,038.75
  4. Step 4: Simplify right side
    1,314,650.75x = 1,289,979,419,824.09
  5. Step 5: Solve for x
    x = 1,289,979,419,824.09/1,314,650.75
  6. Step 6: Final answer
    x = 981,233.55

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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.