Home / 928,906.35-1,281,788.26-520,924.23

Finding the Fourth Proportional to 928,906.35, 1,281,788.26 and 520,924.23

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Solution

The fourth proportional to 928,906.35, 1,281,788.26 and 520,924.23 is: 718,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,906.35 : 1,281,788.26 = 520,924.23 : x
  2. Step 2: Convert to fraction form
    928,906.35/1,281,788.26 = 520,924.23/x
  3. Step 3: Cross multiply
    928,906.35x = 1,281,788.26 × 520,924.23
  4. Step 4: Simplify right side
    928,906.35x = 667,714,563,991.43
  5. Step 5: Solve for x
    x = 667,714,563,991.43/928,906.35
  6. Step 6: Final answer
    x = 718,817.96

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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.