Home / 1,913,256.73-2,870,238.26-791,413.21

Finding the Fourth Proportional to 1,913,256.73, 2,870,238.26 and 791,413.21

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Solution

The fourth proportional to 1,913,256.73, 2,870,238.26 and 791,413.21 is: 1,187,265.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,256.73 : 2,870,238.26 = 791,413.21 : x
  2. Step 2: Convert to fraction form
    1,913,256.73/2,870,238.26 = 791,413.21/x
  3. Step 3: Cross multiply
    1,913,256.73x = 2,870,238.26 × 791,413.21
  4. Step 4: Simplify right side
    1,913,256.73x = 2,271,544,474,811.41
  5. Step 5: Solve for x
    x = 2,271,544,474,811.41/1,913,256.73
  6. Step 6: Final answer
    x = 1,187,265.90

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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.