Home / 1,400,767.90-1,946,109.89-1,383,971.74

Finding the Fourth Proportional to 1,400,767.90, 1,946,109.89 and 1,383,971.74

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Solution

The fourth proportional to 1,400,767.90, 1,946,109.89 and 1,383,971.74 is: 1,922,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,767.90 : 1,946,109.89 = 1,383,971.74 : x
  2. Step 2: Convert to fraction form
    1,400,767.90/1,946,109.89 = 1,383,971.74/x
  3. Step 3: Cross multiply
    1,400,767.90x = 1,946,109.89 × 1,383,971.74
  4. Step 4: Simplify right side
    1,400,767.90x = 2,693,361,089,289.16
  5. Step 5: Solve for x
    x = 2,693,361,089,289.16/1,400,767.90
  6. Step 6: Final answer
    x = 1,922,774.71

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.