Home / 939,812.94-1,296,633.15-531,874.26

Finding the Fourth Proportional to 939,812.94, 1,296,633.15 and 531,874.26

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Solution

The fourth proportional to 939,812.94, 1,296,633.15 and 531,874.26 is: 733,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,812.94 : 1,296,633.15 = 531,874.26 : x
  2. Step 2: Convert to fraction form
    939,812.94/1,296,633.15 = 531,874.26/x
  3. Step 3: Cross multiply
    939,812.94x = 1,296,633.15 × 531,874.26
  4. Step 4: Simplify right side
    939,812.94x = 689,645,797,147.72
  5. Step 5: Solve for x
    x = 689,645,797,147.72/939,812.94
  6. Step 6: Final answer
    x = 733,811.77

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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.