Home / 1,151,943.21-1,589,226.93-722,066.49

Finding the Fourth Proportional to 1,151,943.21, 1,589,226.93 and 722,066.49

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Solution

The fourth proportional to 1,151,943.21, 1,589,226.93 and 722,066.49 is: 996,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,943.21 : 1,589,226.93 = 722,066.49 : x
  2. Step 2: Convert to fraction form
    1,151,943.21/1,589,226.93 = 722,066.49/x
  3. Step 3: Cross multiply
    1,151,943.21x = 1,589,226.93 × 722,066.49
  4. Step 4: Simplify right side
    1,151,943.21x = 1,147,527,511,158.58
  5. Step 5: Solve for x
    x = 1,147,527,511,158.58/1,151,943.21
  6. Step 6: Final answer
    x = 996,166.74

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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.