Home / 1,686,789.96-2,328,782.58-1,043,073.24

Finding the Fourth Proportional to 1,686,789.96, 2,328,782.58 and 1,043,073.24

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Solution

The fourth proportional to 1,686,789.96, 2,328,782.58 and 1,043,073.24 is: 1,440,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,789.96 : 2,328,782.58 = 1,043,073.24 : x
  2. Step 2: Convert to fraction form
    1,686,789.96/2,328,782.58 = 1,043,073.24/x
  3. Step 3: Cross multiply
    1,686,789.96x = 2,328,782.58 × 1,043,073.24
  4. Step 4: Simplify right side
    1,686,789.96x = 2,429,090,790,976.16
  5. Step 5: Solve for x
    x = 2,429,090,790,976.16/1,686,789.96
  6. Step 6: Final answer
    x = 1,440,067.14

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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.