Home / 706,413.70-1,059,620.55-629,431.30

Finding the Fourth Proportional to 706,413.70, 1,059,620.55 and 629,431.30

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Solution

The fourth proportional to 706,413.70, 1,059,620.55 and 629,431.30 is: 944,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,413.70 : 1,059,620.55 = 629,431.30 : x
  2. Step 2: Convert to fraction form
    706,413.70/1,059,620.55 = 629,431.30/x
  3. Step 3: Cross multiply
    706,413.70x = 1,059,620.55 × 629,431.30
  4. Step 4: Simplify right side
    706,413.70x = 666,958,340,293.22
  5. Step 5: Solve for x
    x = 666,958,340,293.22/706,413.70
  6. Step 6: Final answer
    x = 944,146.95

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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.