Home / 1,277,578.69-1,916,367.96-330,949.39

Finding the Fourth Proportional to 1,277,578.69, 1,916,367.96 and 330,949.39

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Solution

The fourth proportional to 1,277,578.69, 1,916,367.96 and 330,949.39 is: 496,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,578.69 : 1,916,367.96 = 330,949.39 : x
  2. Step 2: Convert to fraction form
    1,277,578.69/1,916,367.96 = 330,949.39/x
  3. Step 3: Cross multiply
    1,277,578.69x = 1,916,367.96 × 330,949.39
  4. Step 4: Simplify right side
    1,277,578.69x = 634,220,807,377.54
  5. Step 5: Solve for x
    x = 634,220,807,377.54/1,277,578.69
  6. Step 6: Final answer
    x = 496,424.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.