Home / 950,311.68-1,311,431.70-520,582.44

Finding the Fourth Proportional to 950,311.68, 1,311,431.70 and 520,582.44

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Solution

The fourth proportional to 950,311.68, 1,311,431.70 and 520,582.44 is: 718,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,311.68 : 1,311,431.70 = 520,582.44 : x
  2. Step 2: Convert to fraction form
    950,311.68/1,311,431.70 = 520,582.44/x
  3. Step 3: Cross multiply
    950,311.68x = 1,311,431.70 × 520,582.44
  4. Step 4: Simplify right side
    950,311.68x = 682,708,314,279.35
  5. Step 5: Solve for x
    x = 682,708,314,279.35/950,311.68
  6. Step 6: Final answer
    x = 718,404.63

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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.