Home / 804,986.10-1,207,520.46-205,952.42

Finding the Fourth Proportional to 804,986.10, 1,207,520.46 and 205,952.42

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Solution

The fourth proportional to 804,986.10, 1,207,520.46 and 205,952.42 is: 308,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,986.10 : 1,207,520.46 = 205,952.42 : x
  2. Step 2: Convert to fraction form
    804,986.10/1,207,520.46 = 205,952.42/x
  3. Step 3: Cross multiply
    804,986.10x = 1,207,520.46 × 205,952.42
  4. Step 4: Simplify right side
    804,986.10x = 248,691,763,955.31
  5. Step 5: Solve for x
    x = 248,691,763,955.31/804,986.10
  6. Step 6: Final answer
    x = 308,939.20

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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.