Home / 939,553.78-1,296,041.97-599,638.90

Finding the Fourth Proportional to 939,553.78, 1,296,041.97 and 599,638.90

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Solution

The fourth proportional to 939,553.78, 1,296,041.97 and 599,638.90 is: 827,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,553.78 : 1,296,041.97 = 599,638.90 : x
  2. Step 2: Convert to fraction form
    939,553.78/1,296,041.97 = 599,638.90/x
  3. Step 3: Cross multiply
    939,553.78x = 1,296,041.97 × 599,638.90
  4. Step 4: Simplify right side
    939,553.78x = 777,157,181,244.63
  5. Step 5: Solve for x
    x = 777,157,181,244.63/939,553.78
  6. Step 6: Final answer
    x = 827,155.61

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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.