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Finding the Fourth Proportional to 1,703,986.92, 2,351,509.92 and 940,040.28

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Solution

The fourth proportional to 1,703,986.92, 2,351,509.92 and 940,040.28 is: 1,297,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,986.92 : 2,351,509.92 = 940,040.28 : x
  2. Step 2: Convert to fraction form
    1,703,986.92/2,351,509.92 = 940,040.28/x
  3. Step 3: Cross multiply
    1,703,986.92x = 2,351,509.92 × 940,040.28
  4. Step 4: Simplify right side
    1,703,986.92x = 2,210,514,043,619.58
  5. Step 5: Solve for x
    x = 2,210,514,043,619.58/1,703,986.92
  6. Step 6: Final answer
    x = 1,297,259.98

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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.