Home / 1,404,389.50-1,939,396.01-1,327,879.58

Finding the Fourth Proportional to 1,404,389.50, 1,939,396.01 and 1,327,879.58

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Solution

The fourth proportional to 1,404,389.50, 1,939,396.01 and 1,327,879.58 is: 1,833,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,389.50 : 1,939,396.01 = 1,327,879.58 : x
  2. Step 2: Convert to fraction form
    1,404,389.50/1,939,396.01 = 1,327,879.58/x
  3. Step 3: Cross multiply
    1,404,389.50x = 1,939,396.01 × 1,327,879.58
  4. Step 4: Simplify right side
    1,404,389.50x = 2,575,284,342,876.10
  5. Step 5: Solve for x
    x = 2,575,284,342,876.10/1,404,389.50
  6. Step 6: Final answer
    x = 1,833,739.39

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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.