Home / 1,404,388.75-1,939,394.97-1,327,878.83

Finding the Fourth Proportional to 1,404,388.75, 1,939,394.97 and 1,327,878.83

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Solution

The fourth proportional to 1,404,388.75, 1,939,394.97 and 1,327,878.83 is: 1,833,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,388.75 : 1,939,394.97 = 1,327,878.83 : x
  2. Step 2: Convert to fraction form
    1,404,388.75/1,939,394.97 = 1,327,878.83/x
  3. Step 3: Cross multiply
    1,404,388.75x = 1,939,394.97 × 1,327,878.83
  4. Step 4: Simplify right side
    1,404,388.75x = 2,575,281,513,974.51
  5. Step 5: Solve for x
    x = 2,575,281,513,974.51/1,404,388.75
  6. Step 6: Final answer
    x = 1,833,738.35

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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.