Home / 338,619.07-507,923.44-82,454.04

Finding the Fourth Proportional to 338,619.07, 507,923.44 and 82,454.04

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Solution

The fourth proportional to 338,619.07, 507,923.44 and 82,454.04 is: 123,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,619.07 : 507,923.44 = 82,454.04 : x
  2. Step 2: Convert to fraction form
    338,619.07/507,923.44 = 82,454.04/x
  3. Step 3: Cross multiply
    338,619.07x = 507,923.44 × 82,454.04
  4. Step 4: Simplify right side
    338,619.07x = 41,880,339,638.70
  5. Step 5: Solve for x
    x = 41,880,339,638.70/338,619.07
  6. Step 6: Final answer
    x = 123,679.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.