Home / 1,189,527.77-1,641,504.31-645,651.97

Finding the Fourth Proportional to 1,189,527.77, 1,641,504.31 and 645,651.97

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Solution

The fourth proportional to 1,189,527.77, 1,641,504.31 and 645,651.97 is: 890,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,527.77 : 1,641,504.31 = 645,651.97 : x
  2. Step 2: Convert to fraction form
    1,189,527.77/1,641,504.31 = 645,651.97/x
  3. Step 3: Cross multiply
    1,189,527.77x = 1,641,504.31 × 645,651.97
  4. Step 4: Simplify right side
    1,189,527.77x = 1,059,840,485,797.10
  5. Step 5: Solve for x
    x = 1,059,840,485,797.10/1,189,527.77
  6. Step 6: Final answer
    x = 890,975.82

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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.