Home / 624,285.20-936,557.40-203,592.80

Finding the Fourth Proportional to 624,285.20, 936,557.40 and 203,592.80

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Solution

The fourth proportional to 624,285.20, 936,557.40 and 203,592.80 is: 305,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,285.20 : 936,557.40 = 203,592.80 : x
  2. Step 2: Convert to fraction form
    624,285.20/936,557.40 = 203,592.80/x
  3. Step 3: Cross multiply
    624,285.20x = 936,557.40 × 203,592.80
  4. Step 4: Simplify right side
    624,285.20x = 190,676,343,426.72
  5. Step 5: Solve for x
    x = 190,676,343,426.72/624,285.20
  6. Step 6: Final answer
    x = 305,431.47

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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.