Home / 939,814.87-1,296,930.54-531,994.06

Finding the Fourth Proportional to 939,814.87, 1,296,930.54 and 531,994.06

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Solution

The fourth proportional to 939,814.87, 1,296,930.54 and 531,994.06 is: 734,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,814.87 : 1,296,930.54 = 531,994.06 : x
  2. Step 2: Convert to fraction form
    939,814.87/1,296,930.54 = 531,994.06/x
  3. Step 3: Cross multiply
    939,814.87x = 1,296,930.54 × 531,994.06
  4. Step 4: Simplify right side
    939,814.87x = 689,959,343,512.59
  5. Step 5: Solve for x
    x = 689,959,343,512.59/939,814.87
  6. Step 6: Final answer
    x = 734,143.89

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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.