Home / 1,669,091.64-2,303,326.20-905,136.36

Finding the Fourth Proportional to 1,669,091.64, 2,303,326.20 and 905,136.36

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Solution

The fourth proportional to 1,669,091.64, 2,303,326.20 and 905,136.36 is: 1,249,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,091.64 : 2,303,326.20 = 905,136.36 : x
  2. Step 2: Convert to fraction form
    1,669,091.64/2,303,326.20 = 905,136.36/x
  3. Step 3: Cross multiply
    1,669,091.64x = 2,303,326.20 × 905,136.36
  4. Step 4: Simplify right side
    1,669,091.64x = 2,084,824,292,560.63
  5. Step 5: Solve for x
    x = 2,084,824,292,560.63/1,669,091.64
  6. Step 6: Final answer
    x = 1,249,077.19

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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.