Home / 486,936.03-671,970.31-272,076.27

Finding the Fourth Proportional to 486,936.03, 671,970.31 and 272,076.27

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Solution

The fourth proportional to 486,936.03, 671,970.31 and 272,076.27 is: 375,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,936.03 : 671,970.31 = 272,076.27 : x
  2. Step 2: Convert to fraction form
    486,936.03/671,970.31 = 272,076.27/x
  3. Step 3: Cross multiply
    486,936.03x = 671,970.31 × 272,076.27
  4. Step 4: Simplify right side
    486,936.03x = 182,827,172,295.46
  5. Step 5: Solve for x
    x = 182,827,172,295.46/486,936.03
  6. Step 6: Final answer
    x = 375,464.45

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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.