Home / 1,511,999.30-2,086,558.12-832,935.80

Finding the Fourth Proportional to 1,511,999.30, 2,086,558.12 and 832,935.80

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Solution

The fourth proportional to 1,511,999.30, 2,086,558.12 and 832,935.80 is: 1,149,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,999.30 : 2,086,558.12 = 832,935.80 : x
  2. Step 2: Convert to fraction form
    1,511,999.30/2,086,558.12 = 832,935.80/x
  3. Step 3: Cross multiply
    1,511,999.30x = 2,086,558.12 × 832,935.80
  4. Step 4: Simplify right side
    1,511,999.30x = 1,737,968,956,928.70
  5. Step 5: Solve for x
    x = 1,737,968,956,928.70/1,511,999.30
  6. Step 6: Final answer
    x = 1,149,450.90

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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.