Home / 950,311.97-1,311,445.39-520,563.73

Finding the Fourth Proportional to 950,311.97, 1,311,445.39 and 520,563.73

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Solution

The fourth proportional to 950,311.97, 1,311,445.39 and 520,563.73 is: 718,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,311.97 : 1,311,445.39 = 520,563.73 : x
  2. Step 2: Convert to fraction form
    950,311.97/1,311,445.39 = 520,563.73/x
  3. Step 3: Cross multiply
    950,311.97x = 1,311,445.39 × 520,563.73
  4. Step 4: Simplify right side
    950,311.97x = 682,690,903,909.71
  5. Step 5: Solve for x
    x = 682,690,903,909.71/950,311.97
  6. Step 6: Final answer
    x = 718,386.09

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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.