Home / 803,825.51-1,109,218.25-441,191.75

Finding the Fourth Proportional to 803,825.51, 1,109,218.25 and 441,191.75

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Solution

The fourth proportional to 803,825.51, 1,109,218.25 and 441,191.75 is: 608,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,825.51 : 1,109,218.25 = 441,191.75 : x
  2. Step 2: Convert to fraction form
    803,825.51/1,109,218.25 = 441,191.75/x
  3. Step 3: Cross multiply
    803,825.51x = 1,109,218.25 × 441,191.75
  4. Step 4: Simplify right side
    803,825.51x = 489,377,936,406.33
  5. Step 5: Solve for x
    x = 489,377,936,406.33/803,825.51
  6. Step 6: Final answer
    x = 608,811.16

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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.