Home / 892,517.56-1,338,823.08-679,619.38

Finding the Fourth Proportional to 892,517.56, 1,338,823.08 and 679,619.38

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Solution

The fourth proportional to 892,517.56, 1,338,823.08 and 679,619.38 is: 1,019,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,517.56 : 1,338,823.08 = 679,619.38 : x
  2. Step 2: Convert to fraction form
    892,517.56/1,338,823.08 = 679,619.38/x
  3. Step 3: Cross multiply
    892,517.56x = 1,338,823.08 × 679,619.38
  4. Step 4: Simplify right side
    892,517.56x = 909,890,111,559.29
  5. Step 5: Solve for x
    x = 909,890,111,559.29/892,517.56
  6. Step 6: Final answer
    x = 1,019,464.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.