Home / 939,736.56-1,296,835.92-531,831

Finding the Fourth Proportional to 939,736.56, 1,296,835.92 and 531,831

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Solution

The fourth proportional to 939,736.56, 1,296,835.92 and 531,831 is: 733,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,736.56 : 1,296,835.92 = 531,831 : x
  2. Step 2: Convert to fraction form
    939,736.56/1,296,835.92 = 531,831/x
  3. Step 3: Cross multiply
    939,736.56x = 1,296,835.92 × 531,831
  4. Step 4: Simplify right side
    939,736.56x = 689,697,544,169.52
  5. Step 5: Solve for x
    x = 689,697,544,169.52/939,736.56
  6. Step 6: Final answer
    x = 733,926.48

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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.