Home / 1,226,413.70-1,692,450.91-682,677.95

Finding the Fourth Proportional to 1,226,413.70, 1,692,450.91 and 682,677.95

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Solution

The fourth proportional to 1,226,413.70, 1,692,450.91 and 682,677.95 is: 942,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,413.70 : 1,692,450.91 = 682,677.95 : x
  2. Step 2: Convert to fraction form
    1,226,413.70/1,692,450.91 = 682,677.95/x
  3. Step 3: Cross multiply
    1,226,413.70x = 1,692,450.91 × 682,677.95
  4. Step 4: Simplify right side
    1,226,413.70x = 1,155,398,910,105.53
  5. Step 5: Solve for x
    x = 1,155,398,910,105.53/1,226,413.70
  6. Step 6: Final answer
    x = 942,095.57

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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.