Home / 986,615.01-1,479,323.23-386,857.61

Finding the Fourth Proportional to 986,615.01, 1,479,323.23 and 386,857.61

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Solution

The fourth proportional to 986,615.01, 1,479,323.23 and 386,857.61 is: 580,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,615.01 : 1,479,323.23 = 386,857.61 : x
  2. Step 2: Convert to fraction form
    986,615.01/1,479,323.23 = 386,857.61/x
  3. Step 3: Cross multiply
    986,615.01x = 1,479,323.23 × 386,857.61
  4. Step 4: Simplify right side
    986,615.01x = 572,287,449,175.28
  5. Step 5: Solve for x
    x = 572,287,449,175.28/986,615.01
  6. Step 6: Final answer
    x = 580,051.43

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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.