Home / 1,443,277.44-2,164,749.71-378,404.06

Finding the Fourth Proportional to 1,443,277.44, 2,164,749.71 and 378,404.06

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Solution

The fourth proportional to 1,443,277.44, 2,164,749.71 and 378,404.06 is: 567,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,277.44 : 2,164,749.71 = 378,404.06 : x
  2. Step 2: Convert to fraction form
    1,443,277.44/2,164,749.71 = 378,404.06/x
  3. Step 3: Cross multiply
    1,443,277.44x = 2,164,749.71 × 378,404.06
  4. Step 4: Simplify right side
    1,443,277.44x = 819,150,066,432.05
  5. Step 5: Solve for x
    x = 819,150,066,432.05/1,443,277.44
  6. Step 6: Final answer
    x = 567,562.44

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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.