Home / 447,824.96-617,972.64-268,942.40

Finding the Fourth Proportional to 447,824.96, 617,972.64 and 268,942.40

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Solution

The fourth proportional to 447,824.96, 617,972.64 and 268,942.40 is: 371,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,824.96 : 617,972.64 = 268,942.40 : x
  2. Step 2: Convert to fraction form
    447,824.96/617,972.64 = 268,942.40/x
  3. Step 3: Cross multiply
    447,824.96x = 617,972.64 × 268,942.40
  4. Step 4: Simplify right side
    447,824.96x = 166,199,044,935.94
  5. Step 5: Solve for x
    x = 166,199,044,935.94/447,824.96
  6. Step 6: Final answer
    x = 371,125.01

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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.