Home / 1,198,634.70-1,797,939.73-692,873.86

Finding the Fourth Proportional to 1,198,634.70, 1,797,939.73 and 692,873.86

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Solution

The fourth proportional to 1,198,634.70, 1,797,939.73 and 692,873.86 is: 1,039,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,634.70 : 1,797,939.73 = 692,873.86 : x
  2. Step 2: Convert to fraction form
    1,198,634.70/1,797,939.73 = 692,873.86/x
  3. Step 3: Cross multiply
    1,198,634.70x = 1,797,939.73 × 692,873.86
  4. Step 4: Simplify right side
    1,198,634.70x = 1,245,745,440,772.46
  5. Step 5: Solve for x
    x = 1,245,745,440,772.46/1,198,634.70
  6. Step 6: Final answer
    x = 1,039,303.67

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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.