Home / 1,202,454.30-1,659,413.78-686,197.92

Finding the Fourth Proportional to 1,202,454.30, 1,659,413.78 and 686,197.92

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Solution

The fourth proportional to 1,202,454.30, 1,659,413.78 and 686,197.92 is: 946,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,454.30 : 1,659,413.78 = 686,197.92 : x
  2. Step 2: Convert to fraction form
    1,202,454.30/1,659,413.78 = 686,197.92/x
  3. Step 3: Cross multiply
    1,202,454.30x = 1,659,413.78 × 686,197.92
  4. Step 4: Simplify right side
    1,202,454.30x = 1,138,686,285,970.83
  5. Step 5: Solve for x
    x = 1,138,686,285,970.83/1,202,454.30
  6. Step 6: Final answer
    x = 946,968.45

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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.