Home / 1,112,028.66-1,665,677.67-656,128.56

Finding the Fourth Proportional to 1,112,028.66, 1,665,677.67 and 656,128.56

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Solution

The fourth proportional to 1,112,028.66, 1,665,677.67 and 656,128.56 is: 982,797.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,028.66 : 1,665,677.67 = 656,128.56 : x
  2. Step 2: Convert to fraction form
    1,112,028.66/1,665,677.67 = 656,128.56/x
  3. Step 3: Cross multiply
    1,112,028.66x = 1,665,677.67 × 656,128.56
  4. Step 4: Simplify right side
    1,112,028.66x = 1,092,898,691,041.26
  5. Step 5: Solve for x
    x = 1,092,898,691,041.26/1,112,028.66
  6. Step 6: Final answer
    x = 982,797.23

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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.