Home / 950,336.75-1,311,497.53-520,616.77

Finding the Fourth Proportional to 950,336.75, 1,311,497.53 and 520,616.77

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Solution

The fourth proportional to 950,336.75, 1,311,497.53 and 520,616.77 is: 718,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,336.75 : 1,311,497.53 = 520,616.77 : x
  2. Step 2: Convert to fraction form
    950,336.75/1,311,497.53 = 520,616.77/x
  3. Step 3: Cross multiply
    950,336.75x = 1,311,497.53 × 520,616.77
  4. Step 4: Simplify right side
    950,336.75x = 682,787,603,351.29
  5. Step 5: Solve for x
    x = 682,787,603,351.29/950,336.75
  6. Step 6: Final answer
    x = 718,469.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.