Home / 729,141.10-1,093,711.65-629,413.90

Finding the Fourth Proportional to 729,141.10, 1,093,711.65 and 629,413.90

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Solution

The fourth proportional to 729,141.10, 1,093,711.65 and 629,413.90 is: 944,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,141.10 : 1,093,711.65 = 629,413.90 : x
  2. Step 2: Convert to fraction form
    729,141.10/1,093,711.65 = 629,413.90/x
  3. Step 3: Cross multiply
    729,141.10x = 1,093,711.65 × 629,413.90
  4. Step 4: Simplify right side
    729,141.10x = 688,397,315,101.94
  5. Step 5: Solve for x
    x = 688,397,315,101.94/729,141.10
  6. Step 6: Final answer
    x = 944,120.85

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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.