Home / 469,144.31-647,420.29-254,284.16

Finding the Fourth Proportional to 469,144.31, 647,420.29 and 254,284.16

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Solution

The fourth proportional to 469,144.31, 647,420.29 and 254,284.16 is: 350,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,144.31 : 647,420.29 = 254,284.16 : x
  2. Step 2: Convert to fraction form
    469,144.31/647,420.29 = 254,284.16/x
  3. Step 3: Cross multiply
    469,144.31x = 647,420.29 × 254,284.16
  4. Step 4: Simplify right side
    469,144.31x = 164,628,720,736.80
  5. Step 5: Solve for x
    x = 164,628,720,736.80/469,144.31
  6. Step 6: Final answer
    x = 350,912.76

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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.