Home / 603,731.76-905,845.43-319,346.29

Finding the Fourth Proportional to 603,731.76, 905,845.43 and 319,346.29

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Solution

The fourth proportional to 603,731.76, 905,845.43 and 319,346.29 is: 479,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,731.76 : 905,845.43 = 319,346.29 : x
  2. Step 2: Convert to fraction form
    603,731.76/905,845.43 = 319,346.29/x
  3. Step 3: Cross multiply
    603,731.76x = 905,845.43 × 319,346.29
  4. Step 4: Simplify right side
    603,731.76x = 289,278,377,383.96
  5. Step 5: Solve for x
    x = 289,278,377,383.96/603,731.76
  6. Step 6: Final answer
    x = 479,150.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.