Home / 804,109.75-1,109,588.63-481,811.56

Finding the Fourth Proportional to 804,109.75, 1,109,588.63 and 481,811.56

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Solution

The fourth proportional to 804,109.75, 1,109,588.63 and 481,811.56 is: 664,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,109.75 : 1,109,588.63 = 481,811.56 : x
  2. Step 2: Convert to fraction form
    804,109.75/1,109,588.63 = 481,811.56/x
  3. Step 3: Cross multiply
    804,109.75x = 1,109,588.63 × 481,811.56
  4. Step 4: Simplify right side
    804,109.75x = 534,612,623,595.53
  5. Step 5: Solve for x
    x = 534,612,623,595.53/804,109.75
  6. Step 6: Final answer
    x = 664,850.32

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1.5x scale

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.