Home / 823,723.50-1,236,458.67-729,564.93

Finding the Fourth Proportional to 823,723.50, 1,236,458.67 and 729,564.93

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Solution

The fourth proportional to 823,723.50, 1,236,458.67 and 729,564.93 is: 1,095,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,723.50 : 1,236,458.67 = 729,564.93 : x
  2. Step 2: Convert to fraction form
    823,723.50/1,236,458.67 = 729,564.93/x
  3. Step 3: Cross multiply
    823,723.50x = 1,236,458.67 × 729,564.93
  4. Step 4: Simplify right side
    823,723.50x = 902,076,883,026.44
  5. Step 5: Solve for x
    x = 902,076,883,026.44/823,723.50
  6. Step 6: Final answer
    x = 1,095,120.98

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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.