Home / 672,712.49-1,009,072.38-174,076.49

Finding the Fourth Proportional to 672,712.49, 1,009,072.38 and 174,076.49

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Solution

The fourth proportional to 672,712.49, 1,009,072.38 and 174,076.49 is: 261,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,712.49 : 1,009,072.38 = 174,076.49 : x
  2. Step 2: Convert to fraction form
    672,712.49/1,009,072.38 = 174,076.49/x
  3. Step 3: Cross multiply
    672,712.49x = 1,009,072.38 × 174,076.49
  4. Step 4: Simplify right side
    672,712.49x = 175,655,781,241.81
  5. Step 5: Solve for x
    x = 175,655,781,241.81/672,712.49
  6. Step 6: Final answer
    x = 261,115.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.