Home / 939,805.94-1,296,951.54-531,907.76

Finding the Fourth Proportional to 939,805.94, 1,296,951.54 and 531,907.76

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Solution

The fourth proportional to 939,805.94, 1,296,951.54 and 531,907.76 is: 734,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,805.94 : 1,296,951.54 = 531,907.76 : x
  2. Step 2: Convert to fraction form
    939,805.94/1,296,951.54 = 531,907.76/x
  3. Step 3: Cross multiply
    939,805.94x = 1,296,951.54 × 531,907.76
  4. Step 4: Simplify right side
    939,805.94x = 689,858,588,469.95
  5. Step 5: Solve for x
    x = 689,858,588,469.95/939,805.94
  6. Step 6: Final answer
    x = 734,043.66

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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.