Home / 382,861.37-528,339.71-213,091.85

Finding the Fourth Proportional to 382,861.37, 528,339.71 and 213,091.85

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Solution

The fourth proportional to 382,861.37, 528,339.71 and 213,091.85 is: 294,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,861.37 : 528,339.71 = 213,091.85 : x
  2. Step 2: Convert to fraction form
    382,861.37/528,339.71 = 213,091.85/x
  3. Step 3: Cross multiply
    382,861.37x = 528,339.71 × 213,091.85
  4. Step 4: Simplify right side
    382,861.37x = 112,584,885,166.90
  5. Step 5: Solve for x
    x = 112,584,885,166.90/382,861.37
  6. Step 6: Final answer
    x = 294,061.75

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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.