Home / 1,394,141.96-1,923,916.90-782,210.28

Finding the Fourth Proportional to 1,394,141.96, 1,923,916.90 and 782,210.28

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Solution

The fourth proportional to 1,394,141.96, 1,923,916.90 and 782,210.28 is: 1,079,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,141.96 : 1,923,916.90 = 782,210.28 : x
  2. Step 2: Convert to fraction form
    1,394,141.96/1,923,916.90 = 782,210.28/x
  3. Step 3: Cross multiply
    1,394,141.96x = 1,923,916.90 × 782,210.28
  4. Step 4: Simplify right side
    1,394,141.96x = 1,504,907,577,045.73
  5. Step 5: Solve for x
    x = 1,504,907,577,045.73/1,394,141.96
  6. Step 6: Final answer
    x = 1,079,450.74

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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.