Home / 468,624.48-646,704.86-253,764.56

Finding the Fourth Proportional to 468,624.48, 646,704.86 and 253,764.56

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Solution

The fourth proportional to 468,624.48, 646,704.86 and 253,764.56 is: 350,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,624.48 : 646,704.86 = 253,764.56 : x
  2. Step 2: Convert to fraction form
    468,624.48/646,704.86 = 253,764.56/x
  3. Step 3: Cross multiply
    468,624.48x = 646,704.86 × 253,764.56
  4. Step 4: Simplify right side
    468,624.48x = 164,110,769,745.42
  5. Step 5: Solve for x
    x = 164,110,769,745.42/468,624.48
  6. Step 6: Final answer
    x = 350,196.75

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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.