Home / 939,311.49-1,296,164.17-531,450.57

Finding the Fourth Proportional to 939,311.49, 1,296,164.17 and 531,450.57

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Solution

The fourth proportional to 939,311.49, 1,296,164.17 and 531,450.57 is: 733,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,311.49 : 1,296,164.17 = 531,450.57 : x
  2. Step 2: Convert to fraction form
    939,311.49/1,296,164.17 = 531,450.57/x
  3. Step 3: Cross multiply
    939,311.49x = 1,296,164.17 × 531,450.57
  4. Step 4: Simplify right side
    939,311.49x = 688,847,179,150.63
  5. Step 5: Solve for x
    x = 688,847,179,150.63/939,311.49
  6. Step 6: Final answer
    x = 733,353.30

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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.