Home / 1,405,414.45-1,939,476.31-760,833.11

Finding the Fourth Proportional to 1,405,414.45, 1,939,476.31 and 760,833.11

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Solution

The fourth proportional to 1,405,414.45, 1,939,476.31 and 760,833.11 is: 1,049,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,414.45 : 1,939,476.31 = 760,833.11 : x
  2. Step 2: Convert to fraction form
    1,405,414.45/1,939,476.31 = 760,833.11/x
  3. Step 3: Cross multiply
    1,405,414.45x = 1,939,476.31 × 760,833.11
  4. Step 4: Simplify right side
    1,405,414.45x = 1,475,617,783,011.24
  5. Step 5: Solve for x
    x = 1,475,617,783,011.24/1,405,414.45
  6. Step 6: Final answer
    x = 1,049,952.05

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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.