Home / 624,300.20-936,579.90-203,607.80

Finding the Fourth Proportional to 624,300.20, 936,579.90 and 203,607.80

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Solution

The fourth proportional to 624,300.20, 936,579.90 and 203,607.80 is: 305,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,300.20 : 936,579.90 = 203,607.80 : x
  2. Step 2: Convert to fraction form
    624,300.20/936,579.90 = 203,607.80/x
  3. Step 3: Cross multiply
    624,300.20x = 936,579.90 × 203,607.80
  4. Step 4: Simplify right side
    624,300.20x = 190,694,972,963.22
  5. Step 5: Solve for x
    x = 190,694,972,963.22/624,300.20
  6. Step 6: Final answer
    x = 305,453.97

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1.5x scale

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.