Home / 1,183,435.68-1,633,141.44-639,569.64

Finding the Fourth Proportional to 1,183,435.68, 1,633,141.44 and 639,569.64

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Solution

The fourth proportional to 1,183,435.68, 1,633,141.44 and 639,569.64 is: 882,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,435.68 : 1,633,141.44 = 639,569.64 : x
  2. Step 2: Convert to fraction form
    1,183,435.68/1,633,141.44 = 639,569.64/x
  3. Step 3: Cross multiply
    1,183,435.68x = 1,633,141.44 × 639,569.64
  4. Step 4: Simplify right side
    1,183,435.68x = 1,044,507,682,849.88
  5. Step 5: Solve for x
    x = 1,044,507,682,849.88/1,183,435.68
  6. Step 6: Final answer
    x = 882,606.21

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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.