Home / 1,259,481.91-1,889,231.37-460,434.73

Finding the Fourth Proportional to 1,259,481.91, 1,889,231.37 and 460,434.73

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Solution

The fourth proportional to 1,259,481.91, 1,889,231.37 and 460,434.73 is: 690,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,481.91 : 1,889,231.37 = 460,434.73 : x
  2. Step 2: Convert to fraction form
    1,259,481.91/1,889,231.37 = 460,434.73/x
  3. Step 3: Cross multiply
    1,259,481.91x = 1,889,231.37 × 460,434.73
  4. Step 4: Simplify right side
    1,259,481.91x = 869,867,735,753.48
  5. Step 5: Solve for x
    x = 869,867,735,753.48/1,259,481.91
  6. Step 6: Final answer
    x = 690,655.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.