Home / 804,109.65-1,211,944.39-693,129.33

Finding the Fourth Proportional to 804,109.65, 1,211,944.39 and 693,129.33

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Solution

The fourth proportional to 804,109.65, 1,211,944.39 and 693,129.33 is: 1,044,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,109.65 : 1,211,944.39 = 693,129.33 : x
  2. Step 2: Convert to fraction form
    804,109.65/1,211,944.39 = 693,129.33/x
  3. Step 3: Cross multiply
    804,109.65x = 1,211,944.39 × 693,129.33
  4. Step 4: Simplify right side
    804,109.65x = 840,034,201,305.14
  5. Step 5: Solve for x
    x = 840,034,201,305.14/804,109.65
  6. Step 6: Final answer
    x = 1,044,676.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.