Home / 999,824.45-1,379,723.42-570,242.97

Finding the Fourth Proportional to 999,824.45, 1,379,723.42 and 570,242.97

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Solution

The fourth proportional to 999,824.45, 1,379,723.42 and 570,242.97 is: 786,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,824.45 : 1,379,723.42 = 570,242.97 : x
  2. Step 2: Convert to fraction form
    999,824.45/1,379,723.42 = 570,242.97/x
  3. Step 3: Cross multiply
    999,824.45x = 1,379,723.42 × 570,242.97
  4. Step 4: Simplify right side
    999,824.45x = 786,777,582,224.97
  5. Step 5: Solve for x
    x = 786,777,582,224.97/999,824.45
  6. Step 6: Final answer
    x = 786,915.73

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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.