Home / 939,976.14-1,297,168.73-510,256.56

Finding the Fourth Proportional to 939,976.14, 1,297,168.73 and 510,256.56

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Solution

The fourth proportional to 939,976.14, 1,297,168.73 and 510,256.56 is: 704,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,976.14 : 1,297,168.73 = 510,256.56 : x
  2. Step 2: Convert to fraction form
    939,976.14/1,297,168.73 = 510,256.56/x
  3. Step 3: Cross multiply
    939,976.14x = 1,297,168.73 × 510,256.56
  4. Step 4: Simplify right side
    939,976.14x = 661,888,851,358.09
  5. Step 5: Solve for x
    x = 661,888,851,358.09/939,976.14
  6. Step 6: Final answer
    x = 704,154.95

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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.