Home / 975,912.75-1,347,590.79-613,942.38

Finding the Fourth Proportional to 975,912.75, 1,347,590.79 and 613,942.38

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Solution

The fourth proportional to 975,912.75, 1,347,590.79 and 613,942.38 is: 847,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,912.75 : 1,347,590.79 = 613,942.38 : x
  2. Step 2: Convert to fraction form
    975,912.75/1,347,590.79 = 613,942.38/x
  3. Step 3: Cross multiply
    975,912.75x = 1,347,590.79 × 613,942.38
  4. Step 4: Simplify right side
    975,912.75x = 827,343,096,878.68
  5. Step 5: Solve for x
    x = 827,343,096,878.68/975,912.75
  6. Step 6: Final answer
    x = 847,763.39

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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.