Home / 728,616.43-1,092,997.55-223,171.57

Finding the Fourth Proportional to 728,616.43, 1,092,997.55 and 223,171.57

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Solution

The fourth proportional to 728,616.43, 1,092,997.55 and 223,171.57 is: 334,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,616.43 : 1,092,997.55 = 223,171.57 : x
  2. Step 2: Convert to fraction form
    728,616.43/1,092,997.55 = 223,171.57/x
  3. Step 3: Cross multiply
    728,616.43x = 1,092,997.55 × 223,171.57
  4. Step 4: Simplify right side
    728,616.43x = 243,925,979,239.65
  5. Step 5: Solve for x
    x = 243,925,979,239.65/728,616.43
  6. Step 6: Final answer
    x = 334,779.69

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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.