Home / 1,329,467.72-1,835,513.90-1,085,036.38

Finding the Fourth Proportional to 1,329,467.72, 1,835,513.90 and 1,085,036.38

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Solution

The fourth proportional to 1,329,467.72, 1,835,513.90 and 1,085,036.38 is: 1,498,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,467.72 : 1,835,513.90 = 1,085,036.38 : x
  2. Step 2: Convert to fraction form
    1,329,467.72/1,835,513.90 = 1,085,036.38/x
  3. Step 3: Cross multiply
    1,329,467.72x = 1,835,513.90 × 1,085,036.38
  4. Step 4: Simplify right side
    1,329,467.72x = 1,991,599,351,550.60
  5. Step 5: Solve for x
    x = 1,991,599,351,550.60/1,329,467.72
  6. Step 6: Final answer
    x = 1,498,042.66

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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.