Home / 823,722.99-1,236,457.92-729,564.44

Finding the Fourth Proportional to 823,722.99, 1,236,457.92 and 729,564.44

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Solution

The fourth proportional to 823,722.99, 1,236,457.92 and 729,564.44 is: 1,095,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,722.99 : 1,236,457.92 = 729,564.44 : x
  2. Step 2: Convert to fraction form
    823,722.99/1,236,457.92 = 729,564.44/x
  3. Step 3: Cross multiply
    823,722.99x = 1,236,457.92 × 729,564.44
  4. Step 4: Simplify right side
    823,722.99x = 902,075,729,988.37
  5. Step 5: Solve for x
    x = 902,075,729,988.37/823,722.99
  6. Step 6: Final answer
    x = 1,095,120.25

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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.