Home / 1,178,589.84-1,768,765.20-798,609.60

Finding the Fourth Proportional to 1,178,589.84, 1,768,765.20 and 798,609.60

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Solution

The fourth proportional to 1,178,589.84, 1,768,765.20 and 798,609.60 is: 1,198,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,589.84 : 1,768,765.20 = 798,609.60 : x
  2. Step 2: Convert to fraction form
    1,178,589.84/1,768,765.20 = 798,609.60/x
  3. Step 3: Cross multiply
    1,178,589.84x = 1,768,765.20 × 798,609.60
  4. Step 4: Simplify right side
    1,178,589.84x = 1,412,552,868,865.92
  5. Step 5: Solve for x
    x = 1,412,552,868,865.92/1,178,589.84
  6. Step 6: Final answer
    x = 1,198,510.98

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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.