Home / 1,640,884.56-2,264,456.96-905,837.12

Finding the Fourth Proportional to 1,640,884.56, 2,264,456.96 and 905,837.12

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Solution

The fourth proportional to 1,640,884.56, 2,264,456.96 and 905,837.12 is: 1,250,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,884.56 : 2,264,456.96 = 905,837.12 : x
  2. Step 2: Convert to fraction form
    1,640,884.56/2,264,456.96 = 905,837.12/x
  3. Step 3: Cross multiply
    1,640,884.56x = 2,264,456.96 × 905,837.12
  4. Step 4: Simplify right side
    1,640,884.56x = 2,051,229,171,010.36
  5. Step 5: Solve for x
    x = 2,051,229,171,010.36/1,640,884.56
  6. Step 6: Final answer
    x = 1,250,075.25

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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.