Home / 691,274.37-1,036,911.69-217,996.77

Finding the Fourth Proportional to 691,274.37, 1,036,911.69 and 217,996.77

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Solution

The fourth proportional to 691,274.37, 1,036,911.69 and 217,996.77 is: 326,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,274.37 : 1,036,911.69 = 217,996.77 : x
  2. Step 2: Convert to fraction form
    691,274.37/1,036,911.69 = 217,996.77/x
  3. Step 3: Cross multiply
    691,274.37x = 1,036,911.69 × 217,996.77
  4. Step 4: Simplify right side
    691,274.37x = 226,043,399,195.24
  5. Step 5: Solve for x
    x = 226,043,399,195.24/691,274.37
  6. Step 6: Final answer
    x = 326,995.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.