Home / 486,936.41-671,970.83-272,076.63

Finding the Fourth Proportional to 486,936.41, 671,970.83 and 272,076.63

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Solution

The fourth proportional to 486,936.41, 671,970.83 and 272,076.63 is: 375,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,936.41 : 671,970.83 = 272,076.63 : x
  2. Step 2: Convert to fraction form
    486,936.41/671,970.83 = 272,076.63/x
  3. Step 3: Cross multiply
    486,936.41x = 671,970.83 × 272,076.63
  4. Step 4: Simplify right side
    486,936.41x = 182,827,557,524.32
  5. Step 5: Solve for x
    x = 182,827,557,524.32/486,936.41
  6. Step 6: Final answer
    x = 375,464.96

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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.