Home / 446,943.78-616,782.36-245,739.78

Finding the Fourth Proportional to 446,943.78, 616,782.36 and 245,739.78

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Solution

The fourth proportional to 446,943.78, 616,782.36 and 245,739.78 is: 339,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,943.78 : 616,782.36 = 245,739.78 : x
  2. Step 2: Convert to fraction form
    446,943.78/616,782.36 = 245,739.78/x
  3. Step 3: Cross multiply
    446,943.78x = 616,782.36 × 245,739.78
  4. Step 4: Simplify right side
    446,943.78x = 151,567,961,454.28
  5. Step 5: Solve for x
    x = 151,567,961,454.28/446,943.78
  6. Step 6: Final answer
    x = 339,120.87

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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.