Home / 605,238.51-835,231.65-347,125.43

Finding the Fourth Proportional to 605,238.51, 835,231.65 and 347,125.43

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Solution

The fourth proportional to 605,238.51, 835,231.65 and 347,125.43 is: 479,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,238.51 : 835,231.65 = 347,125.43 : x
  2. Step 2: Convert to fraction form
    605,238.51/835,231.65 = 347,125.43/x
  3. Step 3: Cross multiply
    605,238.51x = 835,231.65 × 347,125.43
  4. Step 4: Simplify right side
    605,238.51x = 289,930,148,394.80
  5. Step 5: Solve for x
    x = 289,930,148,394.80/605,238.51
  6. Step 6: Final answer
    x = 479,034.53

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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.