Home / 1,663,144.71-2,294,968.30-1,227,793.60

Finding the Fourth Proportional to 1,663,144.71, 2,294,968.30 and 1,227,793.60

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Solution

The fourth proportional to 1,663,144.71, 2,294,968.30 and 1,227,793.60 is: 1,694,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,144.71 : 2,294,968.30 = 1,227,793.60 : x
  2. Step 2: Convert to fraction form
    1,663,144.71/2,294,968.30 = 1,227,793.60/x
  3. Step 3: Cross multiply
    1,663,144.71x = 2,294,968.30 × 1,227,793.60
  4. Step 4: Simplify right side
    1,663,144.71x = 2,817,747,390,942.88
  5. Step 5: Solve for x
    x = 2,817,747,390,942.88/1,663,144.71
  6. Step 6: Final answer
    x = 1,694,228.63

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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.