Home / 445,408.10-668,258.76-296,235.26

Finding the Fourth Proportional to 445,408.10, 668,258.76 and 296,235.26

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Solution

The fourth proportional to 445,408.10, 668,258.76 and 296,235.26 is: 444,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,408.10 : 668,258.76 = 296,235.26 : x
  2. Step 2: Convert to fraction form
    445,408.10/668,258.76 = 296,235.26/x
  3. Step 3: Cross multiply
    445,408.10x = 668,258.76 × 296,235.26
  4. Step 4: Simplify right side
    445,408.10x = 197,961,807,515.88
  5. Step 5: Solve for x
    x = 197,961,807,515.88/445,408.10
  6. Step 6: Final answer
    x = 444,450.40

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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.