Home / 446,211.32-669,318.06-313,684.52

Finding the Fourth Proportional to 446,211.32, 669,318.06 and 313,684.52

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Solution

The fourth proportional to 446,211.32, 669,318.06 and 313,684.52 is: 470,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,211.32 : 669,318.06 = 313,684.52 : x
  2. Step 2: Convert to fraction form
    446,211.32/669,318.06 = 313,684.52/x
  3. Step 3: Cross multiply
    446,211.32x = 669,318.06 × 313,684.52
  4. Step 4: Simplify right side
    446,211.32x = 209,954,714,378.43
  5. Step 5: Solve for x
    x = 209,954,714,378.43/446,211.32
  6. Step 6: Final answer
    x = 470,527.54

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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.