Home / 494,372.64-682,307.07-313,101.39

Finding the Fourth Proportional to 494,372.64, 682,307.07 and 313,101.39

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Solution

The fourth proportional to 494,372.64, 682,307.07 and 313,101.39 is: 432,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,372.64 : 682,307.07 = 313,101.39 : x
  2. Step 2: Convert to fraction form
    494,372.64/682,307.07 = 313,101.39/x
  3. Step 3: Cross multiply
    494,372.64x = 682,307.07 × 313,101.39
  4. Step 4: Simplify right side
    494,372.64x = 213,631,292,023.83
  5. Step 5: Solve for x
    x = 213,631,292,023.83/494,372.64
  6. Step 6: Final answer
    x = 432,126.04

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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.