Home / 304,827.41-420,772.25-248,140.37

Finding the Fourth Proportional to 304,827.41, 420,772.25 and 248,140.37

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Solution

The fourth proportional to 304,827.41, 420,772.25 and 248,140.37 is: 342,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,827.41 : 420,772.25 = 248,140.37 : x
  2. Step 2: Convert to fraction form
    304,827.41/420,772.25 = 248,140.37/x
  3. Step 3: Cross multiply
    304,827.41x = 420,772.25 × 248,140.37
  4. Step 4: Simplify right side
    304,827.41x = 104,410,580,560.03
  5. Step 5: Solve for x
    x = 104,410,580,560.03/304,827.41
  6. Step 6: Final answer
    x = 342,523.60

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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.