Home / 383,525.60-529,148.03-222,348.48

Finding the Fourth Proportional to 383,525.60, 529,148.03 and 222,348.48

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Solution

The fourth proportional to 383,525.60, 529,148.03 and 222,348.48 is: 306,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,525.60 : 529,148.03 = 222,348.48 : x
  2. Step 2: Convert to fraction form
    383,525.60/529,148.03 = 222,348.48/x
  3. Step 3: Cross multiply
    383,525.60x = 529,148.03 × 222,348.48
  4. Step 4: Simplify right side
    383,525.60x = 117,655,260,721.37
  5. Step 5: Solve for x
    x = 117,655,260,721.37/383,525.60
  6. Step 6: Final answer
    x = 306,772.90

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1.5x scale

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.