Home / 396,384.32-547,002.76-224,299.13

Finding the Fourth Proportional to 396,384.32, 547,002.76 and 224,299.13

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Solution

The fourth proportional to 396,384.32, 547,002.76 and 224,299.13 is: 309,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,384.32 : 547,002.76 = 224,299.13 : x
  2. Step 2: Convert to fraction form
    396,384.32/547,002.76 = 224,299.13/x
  3. Step 3: Cross multiply
    396,384.32x = 547,002.76 × 224,299.13
  4. Step 4: Simplify right side
    396,384.32x = 122,692,243,175.60
  5. Step 5: Solve for x
    x = 122,692,243,175.60/396,384.32
  6. Step 6: Final answer
    x = 309,528.50

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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.