Home / 1,131,685.56-1,696,473.72-776,866.68

Finding the Fourth Proportional to 1,131,685.56, 1,696,473.72 and 776,866.68

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Solution

The fourth proportional to 1,131,685.56, 1,696,473.72 and 776,866.68 is: 1,164,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,685.56 : 1,696,473.72 = 776,866.68 : x
  2. Step 2: Convert to fraction form
    1,131,685.56/1,696,473.72 = 776,866.68/x
  3. Step 3: Cross multiply
    1,131,685.56x = 1,696,473.72 × 776,866.68
  4. Step 4: Simplify right side
    1,131,685.56x = 1,317,933,906,563.65
  5. Step 5: Solve for x
    x = 1,317,933,906,563.65/1,131,685.56
  6. Step 6: Final answer
    x = 1,164,576.06

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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.