Home / 393,847.06-543,521.46-224,092.12

Finding the Fourth Proportional to 393,847.06, 543,521.46 and 224,092.12

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Solution

The fourth proportional to 393,847.06, 543,521.46 and 224,092.12 is: 309,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,847.06 : 543,521.46 = 224,092.12 : x
  2. Step 2: Convert to fraction form
    393,847.06/543,521.46 = 224,092.12/x
  3. Step 3: Cross multiply
    393,847.06x = 543,521.46 × 224,092.12
  4. Step 4: Simplify right side
    393,847.06x = 121,798,876,236.90
  5. Step 5: Solve for x
    x = 121,798,876,236.90/393,847.06
  6. Step 6: Final answer
    x = 309,254.25

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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.