Home / 986,614.01-1,479,321.73-386,856.61

Finding the Fourth Proportional to 986,614.01, 1,479,321.73 and 386,856.61

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Solution

The fourth proportional to 986,614.01, 1,479,321.73 and 386,856.61 is: 580,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,614.01 : 1,479,321.73 = 386,856.61 : x
  2. Step 2: Convert to fraction form
    986,614.01/1,479,321.73 = 386,856.61/x
  3. Step 3: Cross multiply
    986,614.01x = 1,479,321.73 × 386,856.61
  4. Step 4: Simplify right side
    986,614.01x = 572,285,389,567.14
  5. Step 5: Solve for x
    x = 572,285,389,567.14/986,614.01
  6. Step 6: Final answer
    x = 580,049.93

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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.