Home / 469,890.98-648,449.82-255,031.04

Finding the Fourth Proportional to 469,890.98, 648,449.82 and 255,031.04

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Solution

The fourth proportional to 469,890.98, 648,449.82 and 255,031.04 is: 351,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,890.98 : 648,449.82 = 255,031.04 : x
  2. Step 2: Convert to fraction form
    469,890.98/648,449.82 = 255,031.04/x
  3. Step 3: Cross multiply
    469,890.98x = 648,449.82 × 255,031.04
  4. Step 4: Simplify right side
    469,890.98x = 165,374,831,982.41
  5. Step 5: Solve for x
    x = 165,374,831,982.41/469,890.98
  6. Step 6: Final answer
    x = 351,942.98

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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.