Home / 1,405,568.20-1,939,660.62-760,983.16

Finding the Fourth Proportional to 1,405,568.20, 1,939,660.62 and 760,983.16

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Solution

The fourth proportional to 1,405,568.20, 1,939,660.62 and 760,983.16 is: 1,050,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,568.20 : 1,939,660.62 = 760,983.16 : x
  2. Step 2: Convert to fraction form
    1,405,568.20/1,939,660.62 = 760,983.16/x
  3. Step 3: Cross multiply
    1,405,568.20x = 1,939,660.62 × 760,983.16
  4. Step 4: Simplify right side
    1,405,568.20x = 1,476,049,067,935.16
  5. Step 5: Solve for x
    x = 1,476,049,067,935.16/1,405,568.20
  6. Step 6: Final answer
    x = 1,050,144.04

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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.