Home / 863,731.23-1,191,953.22-476,546.63

Finding the Fourth Proportional to 863,731.23, 1,191,953.22 and 476,546.63

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Solution

The fourth proportional to 863,731.23, 1,191,953.22 and 476,546.63 is: 657,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,731.23 : 1,191,953.22 = 476,546.63 : x
  2. Step 2: Convert to fraction form
    863,731.23/1,191,953.22 = 476,546.63/x
  3. Step 3: Cross multiply
    863,731.23x = 1,191,953.22 × 476,546.63
  4. Step 4: Simplify right side
    863,731.23x = 568,021,284,148.88
  5. Step 5: Solve for x
    x = 568,021,284,148.88/863,731.23
  6. Step 6: Final answer
    x = 657,636.62

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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.