Home / 729,648.96-1,094,467.68-392,847.36

Finding the Fourth Proportional to 729,648.96, 1,094,467.68 and 392,847.36

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Solution

The fourth proportional to 729,648.96, 1,094,467.68 and 392,847.36 is: 589,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,648.96 : 1,094,467.68 = 392,847.36 : x
  2. Step 2: Convert to fraction form
    729,648.96/1,094,467.68 = 392,847.36/x
  3. Step 3: Cross multiply
    729,648.96x = 1,094,467.68 × 392,847.36
  4. Step 4: Simplify right side
    729,648.96x = 429,958,738,693.33
  5. Step 5: Solve for x
    x = 429,958,738,693.33/729,648.96
  6. Step 6: Final answer
    x = 589,267.94

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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.