Home / 1,909,440.45-2,863,548.06-629,760.21

Finding the Fourth Proportional to 1,909,440.45, 2,863,548.06 and 629,760.21

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Solution

The fourth proportional to 1,909,440.45, 2,863,548.06 and 629,760.21 is: 944,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,440.45 : 2,863,548.06 = 629,760.21 : x
  2. Step 2: Convert to fraction form
    1,909,440.45/2,863,548.06 = 629,760.21/x
  3. Step 3: Cross multiply
    1,909,440.45x = 2,863,548.06 × 629,760.21
  4. Step 4: Simplify right side
    1,909,440.45x = 1,803,348,627,610.69
  5. Step 5: Solve for x
    x = 1,803,348,627,610.69/1,909,440.45
  6. Step 6: Final answer
    x = 944,438.27

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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.