Home / 862,997.63-1,294,514.87-223,315.11

Finding the Fourth Proportional to 862,997.63, 1,294,514.87 and 223,315.11

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Solution

The fourth proportional to 862,997.63, 1,294,514.87 and 223,315.11 is: 334,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,997.63 : 1,294,514.87 = 223,315.11 : x
  2. Step 2: Convert to fraction form
    862,997.63/1,294,514.87 = 223,315.11/x
  3. Step 3: Cross multiply
    862,997.63x = 1,294,514.87 × 223,315.11
  4. Step 4: Simplify right side
    862,997.63x = 289,084,729,474.11
  5. Step 5: Solve for x
    x = 289,084,729,474.11/862,997.63
  6. Step 6: Final answer
    x = 334,977.43

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Double scale
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Similar ratio
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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.