Home / 1,183,291.56-1,632,942.27-639,427.59

Finding the Fourth Proportional to 1,183,291.56, 1,632,942.27 and 639,427.59

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Solution

The fourth proportional to 1,183,291.56, 1,632,942.27 and 639,427.59 is: 882,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,291.56 : 1,632,942.27 = 639,427.59 : x
  2. Step 2: Convert to fraction form
    1,183,291.56/1,632,942.27 = 639,427.59/x
  3. Step 3: Cross multiply
    1,183,291.56x = 1,632,942.27 × 639,427.59
  4. Step 4: Simplify right side
    1,183,291.56x = 1,044,148,340,315.23
  5. Step 5: Solve for x
    x = 1,044,148,340,315.23/1,183,291.56
  6. Step 6: Final answer
    x = 882,410.03

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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.