Home / 986,619.01-1,479,329.23-386,861.61

Finding the Fourth Proportional to 986,619.01, 1,479,329.23 and 386,861.61

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Solution

The fourth proportional to 986,619.01, 1,479,329.23 and 386,861.61 is: 580,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,619.01 : 1,479,329.23 = 386,861.61 : x
  2. Step 2: Convert to fraction form
    986,619.01/1,479,329.23 = 386,861.61/x
  3. Step 3: Cross multiply
    986,619.01x = 1,479,329.23 × 386,861.61
  4. Step 4: Simplify right side
    986,619.01x = 572,295,687,637.86
  5. Step 5: Solve for x
    x = 572,295,687,637.86/986,619.01
  6. Step 6: Final answer
    x = 580,057.43

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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.