Home / 1,428,451.44-2,142,683.76-481,830.48

Finding the Fourth Proportional to 1,428,451.44, 2,142,683.76 and 481,830.48

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Solution

The fourth proportional to 1,428,451.44, 2,142,683.76 and 481,830.48 is: 722,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,451.44 : 2,142,683.76 = 481,830.48 : x
  2. Step 2: Convert to fraction form
    1,428,451.44/2,142,683.76 = 481,830.48/x
  3. Step 3: Cross multiply
    1,428,451.44x = 2,142,683.76 × 481,830.48
  4. Step 4: Simplify right side
    1,428,451.44x = 1,032,410,344,569.00
  5. Step 5: Solve for x
    x = 1,032,410,344,569.00/1,428,451.44
  6. Step 6: Final answer
    x = 722,747.95

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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.