Home / 482,729.04-724,057.11-198,342.09

Finding the Fourth Proportional to 482,729.04, 724,057.11 and 198,342.09

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Solution

The fourth proportional to 482,729.04, 724,057.11 and 198,342.09 is: 297,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,729.04 : 724,057.11 = 198,342.09 : x
  2. Step 2: Convert to fraction form
    482,729.04/724,057.11 = 198,342.09/x
  3. Step 3: Cross multiply
    482,729.04x = 724,057.11 × 198,342.09
  4. Step 4: Simplify right side
    482,729.04x = 143,611,000,476.76
  5. Step 5: Solve for x
    x = 143,611,000,476.76/482,729.04
  6. Step 6: Final answer
    x = 297,498.16

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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.