Home / 799,715.78-1,198,540.32-598,457.12

Finding the Fourth Proportional to 799,715.78, 1,198,540.32 and 598,457.12

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Solution

The fourth proportional to 799,715.78, 1,198,540.32 and 598,457.12 is: 896,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,715.78 : 1,198,540.32 = 598,457.12 : x
  2. Step 2: Convert to fraction form
    799,715.78/1,198,540.32 = 598,457.12/x
  3. Step 3: Cross multiply
    799,715.78x = 1,198,540.32 × 598,457.12
  4. Step 4: Simplify right side
    799,715.78x = 717,274,988,111.08
  5. Step 5: Solve for x
    x = 717,274,988,111.08/799,715.78
  6. Step 6: Final answer
    x = 896,912.39

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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.