Home / 823,868.20-1,233,728.70-541,858.60

Finding the Fourth Proportional to 823,868.20, 1,233,728.70 and 541,858.60

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Solution

The fourth proportional to 823,868.20, 1,233,728.70 and 541,858.60 is: 811,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,868.20 : 1,233,728.70 = 541,858.60 : x
  2. Step 2: Convert to fraction form
    823,868.20/1,233,728.70 = 541,858.60/x
  3. Step 3: Cross multiply
    823,868.20x = 1,233,728.70 × 541,858.60
  4. Step 4: Simplify right side
    823,868.20x = 668,506,506,161.82
  5. Step 5: Solve for x
    x = 668,506,506,161.82/823,868.20
  6. Step 6: Final answer
    x = 811,424.09

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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.