Home / 447,532.75-617,597.76-243,583.18

Finding the Fourth Proportional to 447,532.75, 617,597.76 and 243,583.18

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Solution

The fourth proportional to 447,532.75, 617,597.76 and 243,583.18 is: 336,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,532.75 : 617,597.76 = 243,583.18 : x
  2. Step 2: Convert to fraction form
    447,532.75/617,597.76 = 243,583.18/x
  3. Step 3: Cross multiply
    447,532.75x = 617,597.76 × 243,583.18
  4. Step 4: Simplify right side
    447,532.75x = 150,436,425,800.82
  5. Step 5: Solve for x
    x = 150,436,425,800.82/447,532.75
  6. Step 6: Final answer
    x = 336,146.19

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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.