Home / 803,218.52-1,109,191.66-517,241.54

Finding the Fourth Proportional to 803,218.52, 1,109,191.66 and 517,241.54

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Solution

The fourth proportional to 803,218.52, 1,109,191.66 and 517,241.54 is: 714,276.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,218.52 : 1,109,191.66 = 517,241.54 : x
  2. Step 2: Convert to fraction form
    803,218.52/1,109,191.66 = 517,241.54/x
  3. Step 3: Cross multiply
    803,218.52x = 1,109,191.66 × 517,241.54
  4. Step 4: Simplify right side
    803,218.52x = 573,720,002,373.56
  5. Step 5: Solve for x
    x = 573,720,002,373.56/803,218.52
  6. Step 6: Final answer
    x = 714,276.36

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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.