Home / 1,448,760.08-1,999,296.65-905,211.09

Finding the Fourth Proportional to 1,448,760.08, 1,999,296.65 and 905,211.09

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Solution

The fourth proportional to 1,448,760.08, 1,999,296.65 and 905,211.09 is: 1,249,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,760.08 : 1,999,296.65 = 905,211.09 : x
  2. Step 2: Convert to fraction form
    1,448,760.08/1,999,296.65 = 905,211.09/x
  3. Step 3: Cross multiply
    1,448,760.08x = 1,999,296.65 × 905,211.09
  4. Step 4: Simplify right side
    1,448,760.08x = 1,809,785,502,042.88
  5. Step 5: Solve for x
    x = 1,809,785,502,042.88/1,448,760.08
  6. Step 6: Final answer
    x = 1,249,196.14

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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.