Home / 383,384.08-529,070.05-222,332.53

Finding the Fourth Proportional to 383,384.08, 529,070.05 and 222,332.53

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Solution

The fourth proportional to 383,384.08, 529,070.05 and 222,332.53 is: 306,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,384.08 : 529,070.05 = 222,332.53 : x
  2. Step 2: Convert to fraction form
    383,384.08/529,070.05 = 222,332.53/x
  3. Step 3: Cross multiply
    383,384.08x = 529,070.05 × 222,332.53
  4. Step 4: Simplify right side
    383,384.08x = 117,629,482,763.73
  5. Step 5: Solve for x
    x = 117,629,482,763.73/383,384.08
  6. Step 6: Final answer
    x = 306,818.90

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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.