Home / 1,286,193.60-1,774,951.92-713,286.72

Finding the Fourth Proportional to 1,286,193.60, 1,774,951.92 and 713,286.72

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Solution

The fourth proportional to 1,286,193.60, 1,774,951.92 and 713,286.72 is: 984,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,193.60 : 1,774,951.92 = 713,286.72 : x
  2. Step 2: Convert to fraction form
    1,286,193.60/1,774,951.92 = 713,286.72/x
  3. Step 3: Cross multiply
    1,286,193.60x = 1,774,951.92 × 713,286.72
  4. Step 4: Simplify right side
    1,286,193.60x = 1,266,049,633,174.50
  5. Step 5: Solve for x
    x = 1,266,049,633,174.50/1,286,193.60
  6. Step 6: Final answer
    x = 984,338.31

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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.