Home / 447,622.03-617,718.38-243,674.43

Finding the Fourth Proportional to 447,622.03, 617,718.38 and 243,674.43

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Solution

The fourth proportional to 447,622.03, 617,718.38 and 243,674.43 is: 336,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,622.03 : 617,718.38 = 243,674.43 : x
  2. Step 2: Convert to fraction form
    447,622.03/617,718.38 = 243,674.43/x
  3. Step 3: Cross multiply
    447,622.03x = 617,718.38 × 243,674.43
  4. Step 4: Simplify right side
    447,622.03x = 150,522,174,147.02
  5. Step 5: Solve for x
    x = 150,522,174,147.02/447,622.03
  6. Step 6: Final answer
    x = 336,270.70

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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.