Home / 449,972.82-673,733.70-316,653.30

Finding the Fourth Proportional to 449,972.82, 673,733.70 and 316,653.30

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Solution

The fourth proportional to 449,972.82, 673,733.70 and 316,653.30 is: 474,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,972.82 : 673,733.70 = 316,653.30 : x
  2. Step 2: Convert to fraction form
    449,972.82/673,733.70 = 316,653.30/x
  3. Step 3: Cross multiply
    449,972.82x = 673,733.70 × 316,653.30
  4. Step 4: Simplify right side
    449,972.82x = 213,339,999,426.21
  5. Step 5: Solve for x
    x = 213,339,999,426.21/449,972.82
  6. Step 6: Final answer
    x = 474,117.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.