Home / 1,257,730.38-1,735,665.30-684,765.54

Finding the Fourth Proportional to 1,257,730.38, 1,735,665.30 and 684,765.54

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Solution

The fourth proportional to 1,257,730.38, 1,735,665.30 and 684,765.54 is: 944,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,730.38 : 1,735,665.30 = 684,765.54 : x
  2. Step 2: Convert to fraction form
    1,257,730.38/1,735,665.30 = 684,765.54/x
  3. Step 3: Cross multiply
    1,257,730.38x = 1,735,665.30 × 684,765.54
  4. Step 4: Simplify right side
    1,257,730.38x = 1,188,523,786,413.76
  5. Step 5: Solve for x
    x = 1,188,523,786,413.76/1,257,730.38
  6. Step 6: Final answer
    x = 944,975.02

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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.