Home / 986,987.11-1,361,960.18-579,046.27

Finding the Fourth Proportional to 986,987.11, 1,361,960.18 and 579,046.27

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Solution

The fourth proportional to 986,987.11, 1,361,960.18 and 579,046.27 is: 799,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,987.11 : 1,361,960.18 = 579,046.27 : x
  2. Step 2: Convert to fraction form
    986,987.11/1,361,960.18 = 579,046.27/x
  3. Step 3: Cross multiply
    986,987.11x = 1,361,960.18 × 579,046.27
  4. Step 4: Simplify right side
    986,987.11x = 788,637,962,117.53
  5. Step 5: Solve for x
    x = 788,637,962,117.53/986,987.11
  6. Step 6: Final answer
    x = 799,035.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.