Home / 383,385.18-529,073.64-222,335.71

Finding the Fourth Proportional to 383,385.18, 529,073.64 and 222,335.71

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Solution

The fourth proportional to 383,385.18, 529,073.64 and 222,335.71 is: 306,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,385.18 : 529,073.64 = 222,335.71 : x
  2. Step 2: Convert to fraction form
    383,385.18/529,073.64 = 222,335.71/x
  3. Step 3: Cross multiply
    383,385.18x = 529,073.64 × 222,335.71
  4. Step 4: Simplify right side
    383,385.18x = 117,631,963,391.68
  5. Step 5: Solve for x
    x = 117,631,963,391.68/383,385.18
  6. Step 6: Final answer
    x = 306,824.49

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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.