Home / 672,912.52-1,008,496.88-273,335.32

Finding the Fourth Proportional to 672,912.52, 1,008,496.88 and 273,335.32

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Solution

The fourth proportional to 672,912.52, 1,008,496.88 and 273,335.32 is: 409,648.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,912.52 : 1,008,496.88 = 273,335.32 : x
  2. Step 2: Convert to fraction form
    672,912.52/1,008,496.88 = 273,335.32/x
  3. Step 3: Cross multiply
    672,912.52x = 1,008,496.88 × 273,335.32
  4. Step 4: Simplify right side
    672,912.52x = 275,657,811,004.64
  5. Step 5: Solve for x
    x = 275,657,811,004.64/672,912.52
  6. Step 6: Final answer
    x = 409,648.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.