Home / 986,985.11-1,361,957.42-579,044.27

Finding the Fourth Proportional to 986,985.11, 1,361,957.42 and 579,044.27

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Solution

The fourth proportional to 986,985.11, 1,361,957.42 and 579,044.27 is: 799,032.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,985.11 : 1,361,957.42 = 579,044.27 : x
  2. Step 2: Convert to fraction form
    986,985.11/1,361,957.42 = 579,044.27/x
  3. Step 3: Cross multiply
    986,985.11x = 1,361,957.42 × 579,044.27
  4. Step 4: Simplify right side
    986,985.11x = 788,633,630,329.98
  5. Step 5: Solve for x
    x = 788,633,630,329.98/986,985.11
  6. Step 6: Final answer
    x = 799,032.96

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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.