Home / 1,314,652.88-1,814,221.11-711,040.88

Finding the Fourth Proportional to 1,314,652.88, 1,814,221.11 and 711,040.88

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Solution

The fourth proportional to 1,314,652.88, 1,814,221.11 and 711,040.88 is: 981,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,652.88 : 1,814,221.11 = 711,040.88 : x
  2. Step 2: Convert to fraction form
    1,314,652.88/1,814,221.11 = 711,040.88/x
  3. Step 3: Cross multiply
    1,314,652.88x = 1,814,221.11 × 711,040.88
  4. Step 4: Simplify right side
    1,314,652.88x = 1,289,985,365,497.87
  5. Step 5: Solve for x
    x = 1,289,985,365,497.87/1,314,652.88
  6. Step 6: Final answer
    x = 981,236.48

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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.