Home / 823,957.60-1,235,936.40-263,048.80

Finding the Fourth Proportional to 823,957.60, 1,235,936.40 and 263,048.80

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Solution

The fourth proportional to 823,957.60, 1,235,936.40 and 263,048.80 is: 394,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,957.60 : 1,235,936.40 = 263,048.80 : x
  2. Step 2: Convert to fraction form
    823,957.60/1,235,936.40 = 263,048.80/x
  3. Step 3: Cross multiply
    823,957.60x = 1,235,936.40 × 263,048.80
  4. Step 4: Simplify right side
    823,957.60x = 325,111,586,896.32
  5. Step 5: Solve for x
    x = 325,111,586,896.32/823,957.60
  6. Step 6: Final answer
    x = 394,573.20

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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.