Home / 1,751,682.80-2,628,215.40-686,543.60

Finding the Fourth Proportional to 1,751,682.80, 2,628,215.40 and 686,543.60

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Solution

The fourth proportional to 1,751,682.80, 2,628,215.40 and 686,543.60 is: 1,030,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,682.80 : 2,628,215.40 = 686,543.60 : x
  2. Step 2: Convert to fraction form
    1,751,682.80/2,628,215.40 = 686,543.60/x
  3. Step 3: Cross multiply
    1,751,682.80x = 2,628,215.40 × 686,543.60
  4. Step 4: Simplify right side
    1,751,682.80x = 1,804,384,462,291.44
  5. Step 5: Solve for x
    x = 1,804,384,462,291.44/1,751,682.80
  6. Step 6: Final answer
    x = 1,030,086.30

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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.