Home / 416,140.45-574,273.79-225,153.84

Finding the Fourth Proportional to 416,140.45, 574,273.79 and 225,153.84

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Solution

The fourth proportional to 416,140.45, 574,273.79 and 225,153.84 is: 310,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,140.45 : 574,273.79 = 225,153.84 : x
  2. Step 2: Convert to fraction form
    416,140.45/574,273.79 = 225,153.84/x
  3. Step 3: Cross multiply
    416,140.45x = 574,273.79 × 225,153.84
  4. Step 4: Simplify right side
    416,140.45x = 129,299,949,029.85
  5. Step 5: Solve for x
    x = 129,299,949,029.85/416,140.45
  6. Step 6: Final answer
    x = 310,712.28

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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.