Home / 939,735.27-1,296,835.57-510,015.54

Finding the Fourth Proportional to 939,735.27, 1,296,835.57 and 510,015.54

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Solution

The fourth proportional to 939,735.27, 1,296,835.57 and 510,015.54 is: 703,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,735.27 : 1,296,835.57 = 510,015.54 : x
  2. Step 2: Convert to fraction form
    939,735.27/1,296,835.57 = 510,015.54/x
  3. Step 3: Cross multiply
    939,735.27x = 1,296,835.57 × 510,015.54
  4. Step 4: Simplify right side
    939,735.27x = 661,406,288,861.87
  5. Step 5: Solve for x
    x = 661,406,288,861.87/939,735.27
  6. Step 6: Final answer
    x = 703,821.93

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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.