Home / 669,919.41-1,004,800.68-190,189.35

Finding the Fourth Proportional to 669,919.41, 1,004,800.68 and 190,189.35

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Solution

The fourth proportional to 669,919.41, 1,004,800.68 and 190,189.35 is: 285,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,919.41 : 1,004,800.68 = 190,189.35 : x
  2. Step 2: Convert to fraction form
    669,919.41/1,004,800.68 = 190,189.35/x
  3. Step 3: Cross multiply
    669,919.41x = 1,004,800.68 × 190,189.35
  4. Step 4: Simplify right side
    669,919.41x = 191,102,388,208.76
  5. Step 5: Solve for x
    x = 191,102,388,208.76/669,919.41
  6. Step 6: Final answer
    x = 285,261.76

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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.