Home / 483,811.40-725,544.30-168,278.60

Finding the Fourth Proportional to 483,811.40, 725,544.30 and 168,278.60

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Solution

The fourth proportional to 483,811.40, 725,544.30 and 168,278.60 is: 252,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,811.40 : 725,544.30 = 168,278.60 : x
  2. Step 2: Convert to fraction form
    483,811.40/725,544.30 = 168,278.60/x
  3. Step 3: Cross multiply
    483,811.40x = 725,544.30 × 168,278.60
  4. Step 4: Simplify right side
    483,811.40x = 122,093,579,041.98
  5. Step 5: Solve for x
    x = 122,093,579,041.98/483,811.40
  6. Step 6: Final answer
    x = 252,357.80

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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.