Home / 383,208.45-528,827.81-222,156.84

Finding the Fourth Proportional to 383,208.45, 528,827.81 and 222,156.84

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Solution

The fourth proportional to 383,208.45, 528,827.81 and 222,156.84 is: 306,576.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,208.45 : 528,827.81 = 222,156.84 : x
  2. Step 2: Convert to fraction form
    383,208.45/528,827.81 = 222,156.84/x
  3. Step 3: Cross multiply
    383,208.45x = 528,827.81 × 222,156.84
  4. Step 4: Simplify right side
    383,208.45x = 117,482,715,173.72
  5. Step 5: Solve for x
    x = 117,482,715,173.72/383,208.45
  6. Step 6: Final answer
    x = 306,576.53

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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.