Home / 986,615.26-1,479,323.61-386,857.86

Finding the Fourth Proportional to 986,615.26, 1,479,323.61 and 386,857.86

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Solution

The fourth proportional to 986,615.26, 1,479,323.61 and 386,857.86 is: 580,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,615.26 : 1,479,323.61 = 386,857.86 : x
  2. Step 2: Convert to fraction form
    986,615.26/1,479,323.61 = 386,857.86/x
  3. Step 3: Cross multiply
    986,615.26x = 1,479,323.61 × 386,857.86
  4. Step 4: Simplify right side
    986,615.26x = 572,287,966,012.08
  5. Step 5: Solve for x
    x = 572,287,966,012.08/986,615.26
  6. Step 6: Final answer
    x = 580,051.81

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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.