Home / 446,815.82-669,847.28-193,905.87

Finding the Fourth Proportional to 446,815.82, 669,847.28 and 193,905.87

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Solution

The fourth proportional to 446,815.82, 669,847.28 and 193,905.87 is: 290,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,815.82 : 669,847.28 = 193,905.87 : x
  2. Step 2: Convert to fraction form
    446,815.82/669,847.28 = 193,905.87/x
  3. Step 3: Cross multiply
    446,815.82x = 669,847.28 × 193,905.87
  4. Step 4: Simplify right side
    446,815.82x = 129,887,319,595.53
  5. Step 5: Solve for x
    x = 129,887,319,595.53/446,815.82
  6. Step 6: Final answer
    x = 290,695.44

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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.