Home / 383,205.27-528,823.44-222,153.69

Finding the Fourth Proportional to 383,205.27, 528,823.44 and 222,153.69

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Solution

The fourth proportional to 383,205.27, 528,823.44 and 222,153.69 is: 306,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,205.27 : 528,823.44 = 222,153.69 : x
  2. Step 2: Convert to fraction form
    383,205.27/528,823.44 = 222,153.69/x
  3. Step 3: Cross multiply
    383,205.27x = 528,823.44 × 222,153.69
  4. Step 4: Simplify right side
    383,205.27x = 117,480,078,554.49
  5. Step 5: Solve for x
    x = 117,480,078,554.49/383,205.27
  6. Step 6: Final answer
    x = 306,572.19

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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.