Home / 321,921.40-482,882.10-237,940.60

Finding the Fourth Proportional to 321,921.40, 482,882.10 and 237,940.60

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Solution

The fourth proportional to 321,921.40, 482,882.10 and 237,940.60 is: 356,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,921.40 : 482,882.10 = 237,940.60 : x
  2. Step 2: Convert to fraction form
    321,921.40/482,882.10 = 237,940.60/x
  3. Step 3: Cross multiply
    321,921.40x = 482,882.10 × 237,940.60
  4. Step 4: Simplify right side
    321,921.40x = 114,897,256,603.26
  5. Step 5: Solve for x
    x = 114,897,256,603.26/321,921.40
  6. Step 6: Final answer
    x = 356,910.90

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1.5x scale

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.