Home / 1,252,413.09-1,728,333.41-679,453.27

Finding the Fourth Proportional to 1,252,413.09, 1,728,333.41 and 679,453.27

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Solution

The fourth proportional to 1,252,413.09, 1,728,333.41 and 679,453.27 is: 937,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,413.09 : 1,728,333.41 = 679,453.27 : x
  2. Step 2: Convert to fraction form
    1,252,413.09/1,728,333.41 = 679,453.27/x
  3. Step 3: Cross multiply
    1,252,413.09x = 1,728,333.41 × 679,453.27
  4. Step 4: Simplify right side
    1,252,413.09x = 1,174,321,784,452.55
  5. Step 5: Solve for x
    x = 1,174,321,784,452.55/1,252,413.09
  6. Step 6: Final answer
    x = 937,647.32

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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.