Home / 945,819.91-1,305,262.99-516,123.62

Finding the Fourth Proportional to 945,819.91, 1,305,262.99 and 516,123.62

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Solution

The fourth proportional to 945,819.91, 1,305,262.99 and 516,123.62 is: 712,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,819.91 : 1,305,262.99 = 516,123.62 : x
  2. Step 2: Convert to fraction form
    945,819.91/1,305,262.99 = 516,123.62/x
  3. Step 3: Cross multiply
    945,819.91x = 1,305,262.99 × 516,123.62
  4. Step 4: Simplify right side
    945,819.91x = 673,677,059,450.82
  5. Step 5: Solve for x
    x = 673,677,059,450.82/945,819.91
  6. Step 6: Final answer
    x = 712,267.79

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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.