Home / 474,789.51-655,224.30-259,949.52

Finding the Fourth Proportional to 474,789.51, 655,224.30 and 259,949.52

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Solution

The fourth proportional to 474,789.51, 655,224.30 and 259,949.52 is: 358,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,789.51 : 655,224.30 = 259,949.52 : x
  2. Step 2: Convert to fraction form
    474,789.51/655,224.30 = 259,949.52/x
  3. Step 3: Cross multiply
    474,789.51x = 655,224.30 × 259,949.52
  4. Step 4: Simplify right side
    474,789.51x = 170,325,242,277.34
  5. Step 5: Solve for x
    x = 170,325,242,277.34/474,789.51
  6. Step 6: Final answer
    x = 358,738.43

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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.