Home / 694,219.83-958,010.67-392,413.83

Finding the Fourth Proportional to 694,219.83, 958,010.67 and 392,413.83

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Solution

The fourth proportional to 694,219.83, 958,010.67 and 392,413.83 is: 541,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,219.83 : 958,010.67 = 392,413.83 : x
  2. Step 2: Convert to fraction form
    694,219.83/958,010.67 = 392,413.83/x
  3. Step 3: Cross multiply
    694,219.83x = 958,010.67 × 392,413.83
  4. Step 4: Simplify right side
    694,219.83x = 375,936,636,195.57
  5. Step 5: Solve for x
    x = 375,936,636,195.57/694,219.83
  6. Step 6: Final answer
    x = 541,523.91

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1.5x scale

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.