Home / 383,569.76-529,333.20-213,785.64

Finding the Fourth Proportional to 383,569.76, 529,333.20 and 213,785.64

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Solution

The fourth proportional to 383,569.76, 529,333.20 and 213,785.64 is: 295,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,569.76 : 529,333.20 = 213,785.64 : x
  2. Step 2: Convert to fraction form
    383,569.76/529,333.20 = 213,785.64/x
  3. Step 3: Cross multiply
    383,569.76x = 529,333.20 × 213,785.64
  4. Step 4: Simplify right side
    383,569.76x = 113,163,836,935.25
  5. Step 5: Solve for x
    x = 113,163,836,935.25/383,569.76
  6. Step 6: Final answer
    x = 295,028.05

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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.