Home / 1,231,577.36-1,699,573.52-687,708.80

Finding the Fourth Proportional to 1,231,577.36, 1,699,573.52 and 687,708.80

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Solution

The fourth proportional to 1,231,577.36, 1,699,573.52 and 687,708.80 is: 949,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,577.36 : 1,699,573.52 = 687,708.80 : x
  2. Step 2: Convert to fraction form
    1,231,577.36/1,699,573.52 = 687,708.80/x
  3. Step 3: Cross multiply
    1,231,577.36x = 1,699,573.52 × 687,708.80
  4. Step 4: Simplify right side
    1,231,577.36x = 1,168,811,665,950.98
  5. Step 5: Solve for x
    x = 1,168,811,665,950.98/1,231,577.36
  6. Step 6: Final answer
    x = 949,036.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.