Home / 863,887.17-1,296,224.60-443,458.53

Finding the Fourth Proportional to 863,887.17, 1,296,224.60 and 443,458.53

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Solution

The fourth proportional to 863,887.17, 1,296,224.60 and 443,458.53 is: 665,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,887.17 : 1,296,224.60 = 443,458.53 : x
  2. Step 2: Convert to fraction form
    863,887.17/1,296,224.60 = 443,458.53/x
  3. Step 3: Cross multiply
    863,887.17x = 1,296,224.60 × 443,458.53
  4. Step 4: Simplify right side
    863,887.17x = 574,821,853,448.55
  5. Step 5: Solve for x
    x = 574,821,853,448.55/863,887.17
  6. Step 6: Final answer
    x = 665,389.96

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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.