Home / 383,235.24-528,880.98-213,469.32

Finding the Fourth Proportional to 383,235.24, 528,880.98 and 213,469.32

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Solution

The fourth proportional to 383,235.24, 528,880.98 and 213,469.32 is: 294,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,235.24 : 528,880.98 = 213,469.32 : x
  2. Step 2: Convert to fraction form
    383,235.24/528,880.98 = 213,469.32/x
  3. Step 3: Cross multiply
    383,235.24x = 528,880.98 × 213,469.32
  4. Step 4: Simplify right side
    383,235.24x = 112,899,863,161.53
  5. Step 5: Solve for x
    x = 112,899,863,161.53/383,235.24
  6. Step 6: Final answer
    x = 294,596.77

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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.