Home / 488,943.72-674,741.46-274,083.72

Finding the Fourth Proportional to 488,943.72, 674,741.46 and 274,083.72

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Solution

The fourth proportional to 488,943.72, 674,741.46 and 274,083.72 is: 378,235.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,943.72 : 674,741.46 = 274,083.72 : x
  2. Step 2: Convert to fraction form
    488,943.72/674,741.46 = 274,083.72/x
  3. Step 3: Cross multiply
    488,943.72x = 674,741.46 × 274,083.72
  4. Step 4: Simplify right side
    488,943.72x = 184,935,649,395.03
  5. Step 5: Solve for x
    x = 184,935,649,395.03/488,943.72
  6. Step 6: Final answer
    x = 378,235.04

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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.