Home / 574,865.44-862,667.10-385,539.52

Finding the Fourth Proportional to 574,865.44, 862,667.10 and 385,539.52

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Solution

The fourth proportional to 574,865.44, 862,667.10 and 385,539.52 is: 578,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,865.44 : 862,667.10 = 385,539.52 : x
  2. Step 2: Convert to fraction form
    574,865.44/862,667.10 = 385,539.52/x
  3. Step 3: Cross multiply
    574,865.44x = 862,667.10 × 385,539.52
  4. Step 4: Simplify right side
    574,865.44x = 332,592,259,653.79
  5. Step 5: Solve for x
    x = 332,592,259,653.79/574,865.44
  6. Step 6: Final answer
    x = 578,556.71

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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.