Home / 467,427.40-645,181.94-276,507.16

Finding the Fourth Proportional to 467,427.40, 645,181.94 and 276,507.16

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Solution

The fourth proportional to 467,427.40, 645,181.94 and 276,507.16 is: 381,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,427.40 : 645,181.94 = 276,507.16 : x
  2. Step 2: Convert to fraction form
    467,427.40/645,181.94 = 276,507.16/x
  3. Step 3: Cross multiply
    467,427.40x = 645,181.94 × 276,507.16
  4. Step 4: Simplify right side
    467,427.40x = 178,397,425,912.69
  5. Step 5: Solve for x
    x = 178,397,425,912.69/467,427.40
  6. Step 6: Final answer
    x = 381,658.04

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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.