Home / 1,277,968.08-1,916,623.80-379,197.20

Finding the Fourth Proportional to 1,277,968.08, 1,916,623.80 and 379,197.20

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Solution

The fourth proportional to 1,277,968.08, 1,916,623.80 and 379,197.20 is: 568,698.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,968.08 : 1,916,623.80 = 379,197.20 : x
  2. Step 2: Convert to fraction form
    1,277,968.08/1,916,623.80 = 379,197.20/x
  3. Step 3: Cross multiply
    1,277,968.08x = 1,916,623.80 × 379,197.20
  4. Step 4: Simplify right side
    1,277,968.08x = 726,778,378,413.36
  5. Step 5: Solve for x
    x = 726,778,378,413.36/1,277,968.08
  6. Step 6: Final answer
    x = 568,698.38

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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.