Home / 950,156.46-1,311,216.26-520,443.77

Finding the Fourth Proportional to 950,156.46, 1,311,216.26 and 520,443.77

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Solution

The fourth proportional to 950,156.46, 1,311,216.26 and 520,443.77 is: 718,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,156.46 : 1,311,216.26 = 520,443.77 : x
  2. Step 2: Convert to fraction form
    950,156.46/1,311,216.26 = 520,443.77/x
  3. Step 3: Cross multiply
    950,156.46x = 1,311,216.26 × 520,443.77
  4. Step 4: Simplify right side
    950,156.46x = 682,414,324,481.40
  5. Step 5: Solve for x
    x = 682,414,324,481.40/950,156.46
  6. Step 6: Final answer
    x = 718,212.58

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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.