Home / 950,205.24-1,311,236.64-520,487.28

Finding the Fourth Proportional to 950,205.24, 1,311,236.64 and 520,487.28

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Solution

The fourth proportional to 950,205.24, 1,311,236.64 and 520,487.28 is: 718,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,205.24 : 1,311,236.64 = 520,487.28 : x
  2. Step 2: Convert to fraction form
    950,205.24/1,311,236.64 = 520,487.28/x
  3. Step 3: Cross multiply
    950,205.24x = 1,311,236.64 × 520,487.28
  4. Step 4: Simplify right side
    950,205.24x = 682,481,992,189.94
  5. Step 5: Solve for x
    x = 682,481,992,189.94/950,205.24
  6. Step 6: Final answer
    x = 718,246.93

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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.