Home / 447,828.78-617,975.71-246,624.78

Finding the Fourth Proportional to 447,828.78, 617,975.71 and 246,624.78

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Solution

The fourth proportional to 447,828.78, 617,975.71 and 246,624.78 is: 340,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,828.78 : 617,975.71 = 246,624.78 : x
  2. Step 2: Convert to fraction form
    447,828.78/617,975.71 = 246,624.78/x
  3. Step 3: Cross multiply
    447,828.78x = 617,975.71 × 246,624.78
  4. Step 4: Simplify right side
    447,828.78x = 152,408,123,524.09
  5. Step 5: Solve for x
    x = 152,408,123,524.09/447,828.78
  6. Step 6: Final answer
    x = 340,326.77

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1.5x scale

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.