Home / 1,664,453.13-2,296,945.82-939,454.43

Finding the Fourth Proportional to 1,664,453.13, 2,296,945.82 and 939,454.43

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Solution

The fourth proportional to 1,664,453.13, 2,296,945.82 and 939,454.43 is: 1,296,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,453.13 : 2,296,945.82 = 939,454.43 : x
  2. Step 2: Convert to fraction form
    1,664,453.13/2,296,945.82 = 939,454.43/x
  3. Step 3: Cross multiply
    1,664,453.13x = 2,296,945.82 × 939,454.43
  4. Step 4: Simplify right side
    1,664,453.13x = 2,157,875,909,886.98
  5. Step 5: Solve for x
    x = 2,157,875,909,886.98/1,664,453.13
  6. Step 6: Final answer
    x = 1,296,447.39

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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.