Home / 939,812.24-1,296,942.32-510,092.52

Finding the Fourth Proportional to 939,812.24, 1,296,942.32 and 510,092.52

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Solution

The fourth proportional to 939,812.24, 1,296,942.32 and 510,092.52 is: 703,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,812.24 : 1,296,942.32 = 510,092.52 : x
  2. Step 2: Convert to fraction form
    939,812.24/1,296,942.32 = 510,092.52/x
  3. Step 3: Cross multiply
    939,812.24x = 1,296,942.32 × 510,092.52
  4. Step 4: Simplify right side
    939,812.24x = 661,560,576,303.45
  5. Step 5: Solve for x
    x = 661,560,576,303.45/939,812.24
  6. Step 6: Final answer
    x = 703,928.45

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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.