Home / 481,144.92-663,975.10-266,285.40

Finding the Fourth Proportional to 481,144.92, 663,975.10 and 266,285.40

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Solution

The fourth proportional to 481,144.92, 663,975.10 and 266,285.40 is: 367,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,144.92 : 663,975.10 = 266,285.40 : x
  2. Step 2: Convert to fraction form
    481,144.92/663,975.10 = 266,285.40/x
  3. Step 3: Cross multiply
    481,144.92x = 663,975.10 × 266,285.40
  4. Step 4: Simplify right side
    481,144.92x = 176,806,875,093.54
  5. Step 5: Solve for x
    x = 176,806,875,093.54/481,144.92
  6. Step 6: Final answer
    x = 367,471.15

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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.