Home / 383,601.24-529,373.85-211,519.53

Finding the Fourth Proportional to 383,601.24, 529,373.85 and 211,519.53

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Solution

The fourth proportional to 383,601.24, 529,373.85 and 211,519.53 is: 291,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,601.24 : 529,373.85 = 211,519.53 : x
  2. Step 2: Convert to fraction form
    383,601.24/529,373.85 = 211,519.53/x
  3. Step 3: Cross multiply
    383,601.24x = 529,373.85 × 211,519.53
  4. Step 4: Simplify right side
    383,601.24x = 111,972,907,946.29
  5. Step 5: Solve for x
    x = 111,972,907,946.29/383,601.24
  6. Step 6: Final answer
    x = 291,899.23

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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.