Home / 863,413.25-1,191,838.57-649,175.64

Finding the Fourth Proportional to 863,413.25, 1,191,838.57 and 649,175.64

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Solution

The fourth proportional to 863,413.25, 1,191,838.57 and 649,175.64 is: 896,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,413.25 : 1,191,838.57 = 649,175.64 : x
  2. Step 2: Convert to fraction form
    863,413.25/1,191,838.57 = 649,175.64/x
  3. Step 3: Cross multiply
    863,413.25x = 1,191,838.57 × 649,175.64
  4. Step 4: Simplify right side
    863,413.25x = 773,712,564,629.02
  5. Step 5: Solve for x
    x = 773,712,564,629.02/863,413.25
  6. Step 6: Final answer
    x = 896,109.21

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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.