Home / 950,324.85-1,311,444.41-520,631.73

Finding the Fourth Proportional to 950,324.85, 1,311,444.41 and 520,631.73

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Solution

The fourth proportional to 950,324.85, 1,311,444.41 and 520,631.73 is: 718,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,324.85 : 1,311,444.41 = 520,631.73 : x
  2. Step 2: Convert to fraction form
    950,324.85/1,311,444.41 = 520,631.73/x
  3. Step 3: Cross multiply
    950,324.85x = 1,311,444.41 × 520,631.73
  4. Step 4: Simplify right side
    950,324.85x = 682,779,569,373.97
  5. Step 5: Solve for x
    x = 682,779,569,373.97/950,324.85
  6. Step 6: Final answer
    x = 718,469.66

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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.