Home / 691,413.24-954,212.94-419,550.02

Finding the Fourth Proportional to 691,413.24, 954,212.94 and 419,550.02

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Solution

The fourth proportional to 691,413.24, 954,212.94 and 419,550.02 is: 579,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,413.24 : 954,212.94 = 419,550.02 : x
  2. Step 2: Convert to fraction form
    691,413.24/954,212.94 = 419,550.02/x
  3. Step 3: Cross multiply
    691,413.24x = 954,212.94 × 419,550.02
  4. Step 4: Simplify right side
    691,413.24x = 400,340,053,290.19
  5. Step 5: Solve for x
    x = 400,340,053,290.19/691,413.24
  6. Step 6: Final answer
    x = 579,017.05

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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.