Home / 1,231,187.77-1,699,745.88-938,501.56

Finding the Fourth Proportional to 1,231,187.77, 1,699,745.88 and 938,501.56

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Solution

The fourth proportional to 1,231,187.77, 1,699,745.88 and 938,501.56 is: 1,295,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,187.77 : 1,699,745.88 = 938,501.56 : x
  2. Step 2: Convert to fraction form
    1,231,187.77/1,699,745.88 = 938,501.56/x
  3. Step 3: Cross multiply
    1,231,187.77x = 1,699,745.88 × 938,501.56
  4. Step 4: Simplify right side
    1,231,187.77x = 1,595,214,159,983.57
  5. Step 5: Solve for x
    x = 1,595,214,159,983.57/1,231,187.77
  6. Step 6: Final answer
    x = 1,295,670.90

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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.