Home / 403,512.37-556,238.61-331,767.83

Finding the Fourth Proportional to 403,512.37, 556,238.61 and 331,767.83

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Solution

The fourth proportional to 403,512.37, 556,238.61 and 331,767.83 is: 457,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,512.37 : 556,238.61 = 331,767.83 : x
  2. Step 2: Convert to fraction form
    403,512.37/556,238.61 = 331,767.83/x
  3. Step 3: Cross multiply
    403,512.37x = 556,238.61 × 331,767.83
  4. Step 4: Simplify right side
    403,512.37x = 184,542,077,992.51
  5. Step 5: Solve for x
    x = 184,542,077,992.51/403,512.37
  6. Step 6: Final answer
    x = 457,339.34

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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.