Home / 469,664.40-648,138.08-254,804.44

Finding the Fourth Proportional to 469,664.40, 648,138.08 and 254,804.44

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Solution

The fourth proportional to 469,664.40, 648,138.08 and 254,804.44 is: 351,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,664.40 : 648,138.08 = 254,804.44 : x
  2. Step 2: Convert to fraction form
    469,664.40/648,138.08 = 254,804.44/x
  3. Step 3: Cross multiply
    469,664.40x = 648,138.08 × 254,804.44
  4. Step 4: Simplify right side
    469,664.40x = 165,148,460,517.08
  5. Step 5: Solve for x
    x = 165,148,460,517.08/469,664.40
  6. Step 6: Final answer
    x = 351,630.78

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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.