Home / 467,844.82-645,629.70-258,299.46

Finding the Fourth Proportional to 467,844.82, 645,629.70 and 258,299.46

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Solution

The fourth proportional to 467,844.82, 645,629.70 and 258,299.46 is: 356,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,844.82 : 645,629.70 = 258,299.46 : x
  2. Step 2: Convert to fraction form
    467,844.82/645,629.70 = 258,299.46/x
  3. Step 3: Cross multiply
    467,844.82x = 645,629.70 × 258,299.46
  4. Step 4: Simplify right side
    467,844.82x = 166,765,802,869.96
  5. Step 5: Solve for x
    x = 166,765,802,869.96/467,844.82
  6. Step 6: Final answer
    x = 356,455.38

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1.5x scale

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.