Home / 1,241,634.44-1,711,821.30-811,166.60

Finding the Fourth Proportional to 1,241,634.44, 1,711,821.30 and 811,166.60

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Solution

The fourth proportional to 1,241,634.44, 1,711,821.30 and 811,166.60 is: 1,118,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,634.44 : 1,711,821.30 = 811,166.60 : x
  2. Step 2: Convert to fraction form
    1,241,634.44/1,711,821.30 = 811,166.60/x
  3. Step 3: Cross multiply
    1,241,634.44x = 1,711,821.30 × 811,166.60
  4. Step 4: Simplify right side
    1,241,634.44x = 1,388,572,263,728.58
  5. Step 5: Solve for x
    x = 1,388,572,263,728.58/1,241,634.44
  6. Step 6: Final answer
    x = 1,118,342.26

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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.