Home / 725,413.53-1,086,067.23-554,439.33

Finding the Fourth Proportional to 725,413.53, 1,086,067.23 and 554,439.33

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Solution

The fourth proportional to 725,413.53, 1,086,067.23 and 554,439.33 is: 830,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,413.53 : 1,086,067.23 = 554,439.33 : x
  2. Step 2: Convert to fraction form
    725,413.53/1,086,067.23 = 554,439.33/x
  3. Step 3: Cross multiply
    725,413.53x = 1,086,067.23 × 554,439.33
  4. Step 4: Simplify right side
    725,413.53x = 602,158,387,336.16
  5. Step 5: Solve for x
    x = 602,158,387,336.16/725,413.53
  6. Step 6: Final answer
    x = 830,089.82

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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.