Home / 719,514.57-1,079,083.84-213,939.44

Finding the Fourth Proportional to 719,514.57, 1,079,083.84 and 213,939.44

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Solution

The fourth proportional to 719,514.57, 1,079,083.84 and 213,939.44 is: 320,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,514.57 : 1,079,083.84 = 213,939.44 : x
  2. Step 2: Convert to fraction form
    719,514.57/1,079,083.84 = 213,939.44/x
  3. Step 3: Cross multiply
    719,514.57x = 1,079,083.84 × 213,939.44
  4. Step 4: Simplify right side
    719,514.57x = 230,858,592,442.65
  5. Step 5: Solve for x
    x = 230,858,592,442.65/719,514.57
  6. Step 6: Final answer
    x = 320,853.26

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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.