Home / 396,836.19-547,667.79-224,784.84

Finding the Fourth Proportional to 396,836.19, 547,667.79 and 224,784.84

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Solution

The fourth proportional to 396,836.19, 547,667.79 and 224,784.84 is: 310,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,836.19 : 547,667.79 = 224,784.84 : x
  2. Step 2: Convert to fraction form
    396,836.19/547,667.79 = 224,784.84/x
  3. Step 3: Cross multiply
    396,836.19x = 547,667.79 × 224,784.84
  4. Step 4: Simplify right side
    396,836.19x = 123,107,416,548.30
  5. Step 5: Solve for x
    x = 123,107,416,548.30/396,836.19
  6. Step 6: Final answer
    x = 310,222.25

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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.