Home / 335,715.13-503,572.75-321,137.46

Finding the Fourth Proportional to 335,715.13, 503,572.75 and 321,137.46

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Solution

The fourth proportional to 335,715.13, 503,572.75 and 321,137.46 is: 481,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,715.13 : 503,572.75 = 321,137.46 : x
  2. Step 2: Convert to fraction form
    335,715.13/503,572.75 = 321,137.46/x
  3. Step 3: Cross multiply
    335,715.13x = 503,572.75 × 321,137.46
  4. Step 4: Simplify right side
    335,715.13x = 161,716,073,057.37
  5. Step 5: Solve for x
    x = 161,716,073,057.37/335,715.13
  6. Step 6: Final answer
    x = 481,706.24

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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.