Home / 1,900,673.28-2,850,772.17-621,173.73

Finding the Fourth Proportional to 1,900,673.28, 2,850,772.17 and 621,173.73

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Solution

The fourth proportional to 1,900,673.28, 2,850,772.17 and 621,173.73 is: 931,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,673.28 : 2,850,772.17 = 621,173.73 : x
  2. Step 2: Convert to fraction form
    1,900,673.28/2,850,772.17 = 621,173.73/x
  3. Step 3: Cross multiply
    1,900,673.28x = 2,850,772.17 × 621,173.73
  4. Step 4: Simplify right side
    1,900,673.28x = 1,770,824,782,219.09
  5. Step 5: Solve for x
    x = 1,770,824,782,219.09/1,900,673.28
  6. Step 6: Final answer
    x = 931,682.89

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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.