Home / 446,811.60-616,394.52-395,876.28

Finding the Fourth Proportional to 446,811.60, 616,394.52 and 395,876.28

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Solution

The fourth proportional to 446,811.60, 616,394.52 and 395,876.28 is: 546,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,811.60 : 616,394.52 = 395,876.28 : x
  2. Step 2: Convert to fraction form
    446,811.60/616,394.52 = 395,876.28/x
  3. Step 3: Cross multiply
    446,811.60x = 616,394.52 × 395,876.28
  4. Step 4: Simplify right side
    446,811.60x = 244,015,969,589.99
  5. Step 5: Solve for x
    x = 244,015,969,589.99/446,811.60
  6. Step 6: Final answer
    x = 546,127.20

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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.