Home / 1,193,590.74-1,790,405.07-664,474.86

Finding the Fourth Proportional to 1,193,590.74, 1,790,405.07 and 664,474.86

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Solution

The fourth proportional to 1,193,590.74, 1,790,405.07 and 664,474.86 is: 996,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,590.74 : 1,790,405.07 = 664,474.86 : x
  2. Step 2: Convert to fraction form
    1,193,590.74/1,790,405.07 = 664,474.86/x
  3. Step 3: Cross multiply
    1,193,590.74x = 1,790,405.07 × 664,474.86
  4. Step 4: Simplify right side
    1,193,590.74x = 1,189,679,158,231.54
  5. Step 5: Solve for x
    x = 1,189,679,158,231.54/1,193,590.74
  6. Step 6: Final answer
    x = 996,722.85

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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.