Home / 939,796.14-1,296,919.32-510,076.28

Finding the Fourth Proportional to 939,796.14, 1,296,919.32 and 510,076.28

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Solution

The fourth proportional to 939,796.14, 1,296,919.32 and 510,076.28 is: 703,905.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,796.14 : 1,296,919.32 = 510,076.28 : x
  2. Step 2: Convert to fraction form
    939,796.14/1,296,919.32 = 510,076.28/x
  3. Step 3: Cross multiply
    939,796.14x = 1,296,919.32 × 510,076.28
  4. Step 4: Simplify right side
    939,796.14x = 661,527,782,205.73
  5. Step 5: Solve for x
    x = 661,527,782,205.73/939,796.14
  6. Step 6: Final answer
    x = 703,905.62

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1.5x scale

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.