Home / 1,166,109.36-1,608,681.08-682,377.78

Finding the Fourth Proportional to 1,166,109.36, 1,608,681.08 and 682,377.78

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Solution

The fourth proportional to 1,166,109.36, 1,608,681.08 and 682,377.78 is: 941,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,109.36 : 1,608,681.08 = 682,377.78 : x
  2. Step 2: Convert to fraction form
    1,166,109.36/1,608,681.08 = 682,377.78/x
  3. Step 3: Cross multiply
    1,166,109.36x = 1,608,681.08 × 682,377.78
  4. Step 4: Simplify right side
    1,166,109.36x = 1,097,728,224,098.40
  5. Step 5: Solve for x
    x = 1,097,728,224,098.40/1,166,109.36
  6. Step 6: Final answer
    x = 941,359.59

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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.