Home / 986,912.31-1,361,370.50-594,171.86

Finding the Fourth Proportional to 986,912.31, 1,361,370.50 and 594,171.86

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Solution

The fourth proportional to 986,912.31, 1,361,370.50 and 594,171.86 is: 819,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,912.31 : 1,361,370.50 = 594,171.86 : x
  2. Step 2: Convert to fraction form
    986,912.31/1,361,370.50 = 594,171.86/x
  3. Step 3: Cross multiply
    986,912.31x = 1,361,370.50 × 594,171.86
  4. Step 4: Simplify right side
    986,912.31x = 808,888,032,356.42
  5. Step 5: Solve for x
    x = 808,888,032,356.42/986,912.31
  6. Step 6: Final answer
    x = 819,614.90

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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.