Home / 682,942.20-1,024,413.30-647,950.20

Finding the Fourth Proportional to 682,942.20, 1,024,413.30 and 647,950.20

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Solution

The fourth proportional to 682,942.20, 1,024,413.30 and 647,950.20 is: 971,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,942.20 : 1,024,413.30 = 647,950.20 : x
  2. Step 2: Convert to fraction form
    682,942.20/1,024,413.30 = 647,950.20/x
  3. Step 3: Cross multiply
    682,942.20x = 1,024,413.30 × 647,950.20
  4. Step 4: Simplify right side
    682,942.20x = 663,768,802,617.66
  5. Step 5: Solve for x
    x = 663,768,802,617.66/682,942.20
  6. Step 6: Final answer
    x = 971,925.30

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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.