Home / 1,751,826.40-2,628,128.40-804,968.80

Finding the Fourth Proportional to 1,751,826.40, 2,628,128.40 and 804,968.80

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Solution

The fourth proportional to 1,751,826.40, 2,628,128.40 and 804,968.80 is: 1,207,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,826.40 : 2,628,128.40 = 804,968.80 : x
  2. Step 2: Convert to fraction form
    1,751,826.40/2,628,128.40 = 804,968.80/x
  3. Step 3: Cross multiply
    1,751,826.40x = 2,628,128.40 × 804,968.80
  4. Step 4: Simplify right side
    1,751,826.40x = 2,115,561,364,393.92
  5. Step 5: Solve for x
    x = 2,115,561,364,393.92/1,751,826.40
  6. Step 6: Final answer
    x = 1,207,631.85

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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.