Home / 383,252.07-528,899.85-219,938.46

Finding the Fourth Proportional to 383,252.07, 528,899.85 and 219,938.46

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Solution

The fourth proportional to 383,252.07, 528,899.85 and 219,938.46 is: 303,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,252.07 : 528,899.85 = 219,938.46 : x
  2. Step 2: Convert to fraction form
    383,252.07/528,899.85 = 219,938.46/x
  3. Step 3: Cross multiply
    383,252.07x = 528,899.85 × 219,938.46
  4. Step 4: Simplify right side
    383,252.07x = 116,325,418,503.23
  5. Step 5: Solve for x
    x = 116,325,418,503.23/383,252.07
  6. Step 6: Final answer
    x = 303,521.96

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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.