Home / 662,626.86-991,976.73-409,092.18

Finding the Fourth Proportional to 662,626.86, 991,976.73 and 409,092.18

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Solution

The fourth proportional to 662,626.86, 991,976.73 and 409,092.18 is: 612,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,626.86 : 991,976.73 = 409,092.18 : x
  2. Step 2: Convert to fraction form
    662,626.86/991,976.73 = 409,092.18/x
  3. Step 3: Cross multiply
    662,626.86x = 991,976.73 × 409,092.18
  4. Step 4: Simplify right side
    662,626.86x = 405,809,922,984.97
  5. Step 5: Solve for x
    x = 405,809,922,984.97/662,626.86
  6. Step 6: Final answer
    x = 612,426.01

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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.