Home / 1,690,194.34-2,332,486.56-926,231.50

Finding the Fourth Proportional to 1,690,194.34, 2,332,486.56 and 926,231.50

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Solution

The fourth proportional to 1,690,194.34, 2,332,486.56 and 926,231.50 is: 1,278,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,194.34 : 2,332,486.56 = 926,231.50 : x
  2. Step 2: Convert to fraction form
    1,690,194.34/2,332,486.56 = 926,231.50/x
  3. Step 3: Cross multiply
    1,690,194.34x = 2,332,486.56 × 926,231.50
  4. Step 4: Simplify right side
    1,690,194.34x = 2,160,422,525,198.64
  5. Step 5: Solve for x
    x = 2,160,422,525,198.64/1,690,194.34
  6. Step 6: Final answer
    x = 1,278,209.54

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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.