Home / 352,512.20-528,126.78-314,720.84

Finding the Fourth Proportional to 352,512.20, 528,126.78 and 314,720.84

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Solution

The fourth proportional to 352,512.20, 528,126.78 and 314,720.84 is: 471,508.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512.20 : 528,126.78 = 314,720.84 : x
  2. Step 2: Convert to fraction form
    352,512.20/528,126.78 = 314,720.84/x
  3. Step 3: Cross multiply
    352,512.20x = 528,126.78 × 314,720.84
  4. Step 4: Simplify right side
    352,512.20x = 166,212,503,828.10
  5. Step 5: Solve for x
    x = 166,212,503,828.10/352,512.20
  6. Step 6: Final answer
    x = 471,508.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.