Home / 1,289,040.68-1,933,694.94-615,008.36

Finding the Fourth Proportional to 1,289,040.68, 1,933,694.94 and 615,008.36

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Solution

The fourth proportional to 1,289,040.68, 1,933,694.94 and 615,008.36 is: 922,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,040.68 : 1,933,694.94 = 615,008.36 : x
  2. Step 2: Convert to fraction form
    1,289,040.68/1,933,694.94 = 615,008.36/x
  3. Step 3: Cross multiply
    1,289,040.68x = 1,933,694.94 × 615,008.36
  4. Step 4: Simplify right side
    1,289,040.68x = 1,189,238,553,789.70
  5. Step 5: Solve for x
    x = 1,189,238,553,789.70/1,289,040.68
  6. Step 6: Final answer
    x = 922,576.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.