Home / 469,823.82-648,361.63-254,965.74

Finding the Fourth Proportional to 469,823.82, 648,361.63 and 254,965.74

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Solution

The fourth proportional to 469,823.82, 648,361.63 and 254,965.74 is: 351,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,823.82 : 648,361.63 = 254,965.74 : x
  2. Step 2: Convert to fraction form
    469,823.82/648,361.63 = 254,965.74/x
  3. Step 3: Cross multiply
    469,823.82x = 648,361.63 × 254,965.74
  4. Step 4: Simplify right side
    469,823.82x = 165,310,001,505.73
  5. Step 5: Solve for x
    x = 165,310,001,505.73/469,823.82
  6. Step 6: Final answer
    x = 351,855.30

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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.