Home / 838,771.10-1,256,912.48-616,066.46

Finding the Fourth Proportional to 838,771.10, 1,256,912.48 and 616,066.46

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Solution

The fourth proportional to 838,771.10, 1,256,912.48 and 616,066.46 is: 923,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,771.10 : 1,256,912.48 = 616,066.46 : x
  2. Step 2: Convert to fraction form
    838,771.10/1,256,912.48 = 616,066.46/x
  3. Step 3: Cross multiply
    838,771.10x = 1,256,912.48 × 616,066.46
  4. Step 4: Simplify right side
    838,771.10x = 774,341,622,083.42
  5. Step 5: Solve for x
    x = 774,341,622,083.42/838,771.10
  6. Step 6: Final answer
    x = 923,185.86

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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.