Home / 347,592.24-479,429.55-319,004.52

Finding the Fourth Proportional to 347,592.24, 479,429.55 and 319,004.52

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Solution

The fourth proportional to 347,592.24, 479,429.55 and 319,004.52 is: 439,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,592.24 : 479,429.55 = 319,004.52 : x
  2. Step 2: Convert to fraction form
    347,592.24/479,429.55 = 319,004.52/x
  3. Step 3: Cross multiply
    347,592.24x = 479,429.55 × 319,004.52
  4. Step 4: Simplify right side
    347,592.24x = 152,940,193,471.57
  5. Step 5: Solve for x
    x = 152,940,193,471.57/347,592.24
  6. Step 6: Final answer
    x = 439,998.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.