Home / 986,827.43-1,361,676.89-551,191.11

Finding the Fourth Proportional to 986,827.43, 1,361,676.89 and 551,191.11

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Solution

The fourth proportional to 986,827.43, 1,361,676.89 and 551,191.11 is: 760,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,827.43 : 1,361,676.89 = 551,191.11 : x
  2. Step 2: Convert to fraction form
    986,827.43/1,361,676.89 = 551,191.11/x
  3. Step 3: Cross multiply
    986,827.43x = 1,361,676.89 × 551,191.11
  4. Step 4: Simplify right side
    986,827.43x = 750,544,193,704.49
  5. Step 5: Solve for x
    x = 750,544,193,704.49/986,827.43
  6. Step 6: Final answer
    x = 760,562.76

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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.