Home / 446,948.78-616,789.26-245,744.78

Finding the Fourth Proportional to 446,948.78, 616,789.26 and 245,744.78

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Solution

The fourth proportional to 446,948.78, 616,789.26 and 245,744.78 is: 339,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,948.78 : 616,789.26 = 245,744.78 : x
  2. Step 2: Convert to fraction form
    446,948.78/616,789.26 = 245,744.78/x
  3. Step 3: Cross multiply
    446,948.78x = 616,789.26 × 245,744.78
  4. Step 4: Simplify right side
    446,948.78x = 151,572,741,005.06
  5. Step 5: Solve for x
    x = 151,572,741,005.06/446,948.78
  6. Step 6: Final answer
    x = 339,127.77

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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.