Home / 950,327.10-1,311,447.51-520,633.98

Finding the Fourth Proportional to 950,327.10, 1,311,447.51 and 520,633.98

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Solution

The fourth proportional to 950,327.10, 1,311,447.51 and 520,633.98 is: 718,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,327.10 : 1,311,447.51 = 520,633.98 : x
  2. Step 2: Convert to fraction form
    950,327.10/1,311,447.51 = 520,633.98/x
  3. Step 3: Cross multiply
    950,327.10x = 1,311,447.51 × 520,633.98
  4. Step 4: Simplify right side
    950,327.10x = 682,784,136,692.39
  5. Step 5: Solve for x
    x = 682,784,136,692.39/950,327.10
  6. Step 6: Final answer
    x = 718,472.76

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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.