Home / 1,122,424.80-1,548,979.44-613,135.52

Finding the Fourth Proportional to 1,122,424.80, 1,548,979.44 and 613,135.52

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Solution

The fourth proportional to 1,122,424.80, 1,548,979.44 and 613,135.52 is: 846,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,424.80 : 1,548,979.44 = 613,135.52 : x
  2. Step 2: Convert to fraction form
    1,122,424.80/1,548,979.44 = 613,135.52/x
  3. Step 3: Cross multiply
    1,122,424.80x = 1,548,979.44 × 613,135.52
  4. Step 4: Simplify right side
    1,122,424.80x = 949,734,314,413.71
  5. Step 5: Solve for x
    x = 949,734,314,413.71/1,122,424.80
  6. Step 6: Final answer
    x = 846,145.16

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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.