Home / 383,861.40-529,728.78-214,095.52

Finding the Fourth Proportional to 383,861.40, 529,728.78 and 214,095.52

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Solution

The fourth proportional to 383,861.40, 529,728.78 and 214,095.52 is: 295,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,861.40 : 529,728.78 = 214,095.52 : x
  2. Step 2: Convert to fraction form
    383,861.40/529,728.78 = 214,095.52/x
  3. Step 3: Cross multiply
    383,861.40x = 529,728.78 × 214,095.52
  4. Step 4: Simplify right side
    383,861.40x = 113,412,558,613.07
  5. Step 5: Solve for x
    x = 113,412,558,613.07/383,861.40
  6. Step 6: Final answer
    x = 295,451.84

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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.