Home / 1,257,223.57-1,734,968.43-684,267.85

Finding the Fourth Proportional to 1,257,223.57, 1,734,968.43 and 684,267.85

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Solution

The fourth proportional to 1,257,223.57, 1,734,968.43 and 684,267.85 is: 944,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,223.57 : 1,734,968.43 = 684,267.85 : x
  2. Step 2: Convert to fraction form
    1,257,223.57/1,734,968.43 = 684,267.85/x
  3. Step 3: Cross multiply
    1,257,223.57x = 1,734,968.43 × 684,267.85
  4. Step 4: Simplify right side
    1,257,223.57x = 1,187,183,117,413.98
  5. Step 5: Solve for x
    x = 1,187,183,117,413.98/1,257,223.57
  6. Step 6: Final answer
    x = 944,289.58

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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.