Home / 481,722.24-719,653.35-311,858.76

Finding the Fourth Proportional to 481,722.24, 719,653.35 and 311,858.76

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Solution

The fourth proportional to 481,722.24, 719,653.35 and 311,858.76 is: 465,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,722.24 : 719,653.35 = 311,858.76 : x
  2. Step 2: Convert to fraction form
    481,722.24/719,653.35 = 311,858.76/x
  3. Step 3: Cross multiply
    481,722.24x = 719,653.35 × 311,858.76
  4. Step 4: Simplify right side
    481,722.24x = 224,430,201,360.85
  5. Step 5: Solve for x
    x = 224,430,201,360.85/481,722.24
  6. Step 6: Final answer
    x = 465,891.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.