Home / 868,964.37-1,199,241.50-481,818.21

Finding the Fourth Proportional to 868,964.37, 1,199,241.50 and 481,818.21

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Solution

The fourth proportional to 868,964.37, 1,199,241.50 and 481,818.21 is: 664,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,964.37 : 1,199,241.50 = 481,818.21 : x
  2. Step 2: Convert to fraction form
    868,964.37/1,199,241.50 = 481,818.21/x
  3. Step 3: Cross multiply
    868,964.37x = 1,199,241.50 × 481,818.21
  4. Step 4: Simplify right side
    868,964.37x = 577,816,392,887.72
  5. Step 5: Solve for x
    x = 577,816,392,887.72/868,964.37
  6. Step 6: Final answer
    x = 664,948.31

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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.