Home / 672,029.31-1,007,884.72-192,242.32

Finding the Fourth Proportional to 672,029.31, 1,007,884.72 and 192,242.32

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Solution

The fourth proportional to 672,029.31, 1,007,884.72 and 192,242.32 is: 288,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,029.31 : 1,007,884.72 = 192,242.32 : x
  2. Step 2: Convert to fraction form
    672,029.31/1,007,884.72 = 192,242.32/x
  3. Step 3: Cross multiply
    672,029.31x = 1,007,884.72 × 192,242.32
  4. Step 4: Simplify right side
    672,029.31x = 193,758,096,865.35
  5. Step 5: Solve for x
    x = 193,758,096,865.35/672,029.31
  6. Step 6: Final answer
    x = 288,317.93

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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.