Home / 986,828.18-1,361,677.94-551,191.86

Finding the Fourth Proportional to 986,828.18, 1,361,677.94 and 551,191.86

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Solution

The fourth proportional to 986,828.18, 1,361,677.94 and 551,191.86 is: 760,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,828.18 : 1,361,677.94 = 551,191.86 : x
  2. Step 2: Convert to fraction form
    986,828.18/1,361,677.94 = 551,191.86/x
  3. Step 3: Cross multiply
    986,828.18x = 1,361,677.94 × 551,191.86
  4. Step 4: Simplify right side
    986,828.18x = 750,545,796,469.57
  5. Step 5: Solve for x
    x = 750,545,796,469.57/986,828.18
  6. Step 6: Final answer
    x = 760,563.81

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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.