Home / 515,413.82-772,935.49-178,362.97

Finding the Fourth Proportional to 515,413.82, 772,935.49 and 178,362.97

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Solution

The fourth proportional to 515,413.82, 772,935.49 and 178,362.97 is: 267,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,413.82 : 772,935.49 = 178,362.97 : x
  2. Step 2: Convert to fraction form
    515,413.82/772,935.49 = 178,362.97/x
  3. Step 3: Cross multiply
    515,413.82x = 772,935.49 × 178,362.97
  4. Step 4: Simplify right side
    515,413.82x = 137,863,069,614.81
  5. Step 5: Solve for x
    x = 137,863,069,614.81/515,413.82
  6. Step 6: Final answer
    x = 267,480.35

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1.5x scale

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.