Home / 481,095.02-663,921.96-311,624.12

Finding the Fourth Proportional to 481,095.02, 663,921.96 and 311,624.12

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Solution

The fourth proportional to 481,095.02, 663,921.96 and 311,624.12 is: 430,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,095.02 : 663,921.96 = 311,624.12 : x
  2. Step 2: Convert to fraction form
    481,095.02/663,921.96 = 311,624.12/x
  3. Step 3: Cross multiply
    481,095.02x = 663,921.96 × 311,624.12
  4. Step 4: Simplify right side
    481,095.02x = 206,894,096,533.68
  5. Step 5: Solve for x
    x = 206,894,096,533.68/481,095.02
  6. Step 6: Final answer
    x = 430,048.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.