Home / 338,983.56-508,405.68-322,122.60

Finding the Fourth Proportional to 338,983.56, 508,405.68 and 322,122.60

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Solution

The fourth proportional to 338,983.56, 508,405.68 and 322,122.60 is: 483,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,983.56 : 508,405.68 = 322,122.60 : x
  2. Step 2: Convert to fraction form
    338,983.56/508,405.68 = 322,122.60/x
  3. Step 3: Cross multiply
    338,983.56x = 508,405.68 × 322,122.60
  4. Step 4: Simplify right side
    338,983.56x = 163,768,959,496.37
  5. Step 5: Solve for x
    x = 163,768,959,496.37/338,983.56
  6. Step 6: Final answer
    x = 483,117.70

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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.