Home / 467,840.82-645,624.18-258,295.45

Finding the Fourth Proportional to 467,840.82, 645,624.18 and 258,295.45

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Solution

The fourth proportional to 467,840.82, 645,624.18 and 258,295.45 is: 356,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,840.82 : 645,624.18 = 258,295.45 : x
  2. Step 2: Convert to fraction form
    467,840.82/645,624.18 = 258,295.45/x
  3. Step 3: Cross multiply
    467,840.82x = 645,624.18 × 258,295.45
  4. Step 4: Simplify right side
    467,840.82x = 166,761,788,103.98
  5. Step 5: Solve for x
    x = 166,761,788,103.98/467,840.82
  6. Step 6: Final answer
    x = 356,449.85

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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.