Home / 384,633.58-576,974.99-147,976.29

Finding the Fourth Proportional to 384,633.58, 576,974.99 and 147,976.29

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Solution

The fourth proportional to 384,633.58, 576,974.99 and 147,976.29 is: 221,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,633.58 : 576,974.99 = 147,976.29 : x
  2. Step 2: Convert to fraction form
    384,633.58/576,974.99 = 147,976.29/x
  3. Step 3: Cross multiply
    384,633.58x = 576,974.99 × 147,976.29
  4. Step 4: Simplify right side
    384,633.58x = 85,378,618,442.99
  5. Step 5: Solve for x
    x = 85,378,618,442.99/384,633.58
  6. Step 6: Final answer
    x = 221,973.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.