Home / 469,416.05-647,794.32-254,556.06

Finding the Fourth Proportional to 469,416.05, 647,794.32 and 254,556.06

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Solution

The fourth proportional to 469,416.05, 647,794.32 and 254,556.06 is: 351,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,416.05 : 647,794.32 = 254,556.06 : x
  2. Step 2: Convert to fraction form
    469,416.05/647,794.32 = 254,556.06/x
  3. Step 3: Cross multiply
    469,416.05x = 647,794.32 × 254,556.06
  4. Step 4: Simplify right side
    469,416.05x = 164,899,969,789.58
  5. Step 5: Solve for x
    x = 164,899,969,789.58/469,416.05
  6. Step 6: Final answer
    x = 351,287.46

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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.