Home / 629,226.72-868,308.39-384,621.03

Finding the Fourth Proportional to 629,226.72, 868,308.39 and 384,621.03

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Solution

The fourth proportional to 629,226.72, 868,308.39 and 384,621.03 is: 530,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,226.72 : 868,308.39 = 384,621.03 : x
  2. Step 2: Convert to fraction form
    629,226.72/868,308.39 = 384,621.03/x
  3. Step 3: Cross multiply
    629,226.72x = 868,308.39 × 384,621.03
  4. Step 4: Simplify right side
    629,226.72x = 333,969,667,319.44
  5. Step 5: Solve for x
    x = 333,969,667,319.44/629,226.72
  6. Step 6: Final answer
    x = 530,762.06

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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.