Home / 465,633.24-642,651.18-274,693.56

Finding the Fourth Proportional to 465,633.24, 642,651.18 and 274,693.56

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Solution

The fourth proportional to 465,633.24, 642,651.18 and 274,693.56 is: 379,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,633.24 : 642,651.18 = 274,693.56 : x
  2. Step 2: Convert to fraction form
    465,633.24/642,651.18 = 274,693.56/x
  3. Step 3: Cross multiply
    465,633.24x = 642,651.18 × 274,693.56
  4. Step 4: Simplify right side
    465,633.24x = 176,532,140,472.40
  5. Step 5: Solve for x
    x = 176,532,140,472.40/465,633.24
  6. Step 6: Final answer
    x = 379,122.72

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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.