Home / 672,032.56-1,007,889.60-192,245.57

Finding the Fourth Proportional to 672,032.56, 1,007,889.60 and 192,245.57

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Solution

The fourth proportional to 672,032.56, 1,007,889.60 and 192,245.57 is: 288,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,032.56 : 1,007,889.60 = 192,245.57 : x
  2. Step 2: Convert to fraction form
    672,032.56/1,007,889.60 = 192,245.57/x
  3. Step 3: Cross multiply
    672,032.56x = 1,007,889.60 × 192,245.57
  4. Step 4: Simplify right side
    672,032.56x = 193,762,310,649.07
  5. Step 5: Solve for x
    x = 193,762,310,649.07/672,032.56
  6. Step 6: Final answer
    x = 288,322.80

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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.