Home / 498,591.44-688,058.01-272,236.94

Finding the Fourth Proportional to 498,591.44, 688,058.01 and 272,236.94

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Solution

The fourth proportional to 498,591.44, 688,058.01 and 272,236.94 is: 375,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,591.44 : 688,058.01 = 272,236.94 : x
  2. Step 2: Convert to fraction form
    498,591.44/688,058.01 = 272,236.94/x
  3. Step 3: Cross multiply
    498,591.44x = 688,058.01 × 272,236.94
  4. Step 4: Simplify right side
    498,591.44x = 187,314,807,184.89
  5. Step 5: Solve for x
    x = 187,314,807,184.89/498,591.44
  6. Step 6: Final answer
    x = 375,687.97

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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.