Home / 723,379.56-1,084,847.75-500,174.34

Finding the Fourth Proportional to 723,379.56, 1,084,847.75 and 500,174.34

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Solution

The fourth proportional to 723,379.56, 1,084,847.75 and 500,174.34 is: 750,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,379.56 : 1,084,847.75 = 500,174.34 : x
  2. Step 2: Convert to fraction form
    723,379.56/1,084,847.75 = 500,174.34/x
  3. Step 3: Cross multiply
    723,379.56x = 1,084,847.75 × 500,174.34
  4. Step 4: Simplify right side
    723,379.56x = 542,613,004,855.86
  5. Step 5: Solve for x
    x = 542,613,004,855.86/723,379.56
  6. Step 6: Final answer
    x = 750,108.29

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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.