Home / 1,751,922.80-2,628,575.40-686,783.60

Finding the Fourth Proportional to 1,751,922.80, 2,628,575.40 and 686,783.60

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Solution

The fourth proportional to 1,751,922.80, 2,628,575.40 and 686,783.60 is: 1,030,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,922.80 : 2,628,575.40 = 686,783.60 : x
  2. Step 2: Convert to fraction form
    1,751,922.80/2,628,575.40 = 686,783.60/x
  3. Step 3: Cross multiply
    1,751,922.80x = 2,628,575.40 × 686,783.60
  4. Step 4: Simplify right side
    1,751,922.80x = 1,805,262,476,083.44
  5. Step 5: Solve for x
    x = 1,805,262,476,083.44/1,751,922.80
  6. Step 6: Final answer
    x = 1,030,446.36

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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.