Home / 759,137.13-1,046,930.63-629,870.85

Finding the Fourth Proportional to 759,137.13, 1,046,930.63 and 629,870.85

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Solution

The fourth proportional to 759,137.13, 1,046,930.63 and 629,870.85 is: 868,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,137.13 : 1,046,930.63 = 629,870.85 : x
  2. Step 2: Convert to fraction form
    759,137.13/1,046,930.63 = 629,870.85/x
  3. Step 3: Cross multiply
    759,137.13x = 1,046,930.63 × 629,870.85
  4. Step 4: Simplify right side
    759,137.13x = 659,431,082,659.78
  5. Step 5: Solve for x
    x = 659,431,082,659.78/759,137.13
  6. Step 6: Final answer
    x = 868,658.71

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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.