Home / 498,863.25-688,446.42-272,523.33

Finding the Fourth Proportional to 498,863.25, 688,446.42 and 272,523.33

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Solution

The fourth proportional to 498,863.25, 688,446.42 and 272,523.33 is: 376,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,863.25 : 688,446.42 = 272,523.33 : x
  2. Step 2: Convert to fraction form
    498,863.25/688,446.42 = 272,523.33/x
  3. Step 3: Cross multiply
    498,863.25x = 688,446.42 × 272,523.33
  4. Step 4: Simplify right side
    498,863.25x = 187,617,710,904.98
  5. Step 5: Solve for x
    x = 187,617,710,904.98/498,863.25
  6. Step 6: Final answer
    x = 376,090.46

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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.