Home / 1,400,767.65-1,946,109.55-1,383,971.49

Finding the Fourth Proportional to 1,400,767.65, 1,946,109.55 and 1,383,971.49

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Solution

The fourth proportional to 1,400,767.65, 1,946,109.55 and 1,383,971.49 is: 1,922,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,767.65 : 1,946,109.55 = 1,383,971.49 : x
  2. Step 2: Convert to fraction form
    1,400,767.65/1,946,109.55 = 1,383,971.49/x
  3. Step 3: Cross multiply
    1,400,767.65x = 1,946,109.55 × 1,383,971.49
  4. Step 4: Simplify right side
    1,400,767.65x = 2,693,360,123,912.90
  5. Step 5: Solve for x
    x = 2,693,360,123,912.90/1,400,767.65
  6. Step 6: Final answer
    x = 1,922,774.36

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Why These Related Problems?

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