Home / 397,936.69-596,529.80-198,068.12

Finding the Fourth Proportional to 397,936.69, 596,529.80 and 198,068.12

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Solution

The fourth proportional to 397,936.69, 596,529.80 and 198,068.12 is: 296,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,936.69 : 596,529.80 = 198,068.12 : x
  2. Step 2: Convert to fraction form
    397,936.69/596,529.80 = 198,068.12/x
  3. Step 3: Cross multiply
    397,936.69x = 596,529.80 × 198,068.12
  4. Step 4: Simplify right side
    397,936.69x = 118,153,538,372.21
  5. Step 5: Solve for x
    x = 118,153,538,372.21/397,936.69
  6. Step 6: Final answer
    x = 296,915.42

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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.