Home / 939,851.37-1,296,996.20-510,131.59

Finding the Fourth Proportional to 939,851.37, 1,296,996.20 and 510,131.59

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Solution

The fourth proportional to 939,851.37, 1,296,996.20 and 510,131.59 is: 703,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,851.37 : 1,296,996.20 = 510,131.59 : x
  2. Step 2: Convert to fraction form
    939,851.37/1,296,996.20 = 510,131.59/x
  3. Step 3: Cross multiply
    939,851.37x = 1,296,996.20 × 510,131.59
  4. Step 4: Simplify right side
    939,851.37x = 661,638,729,849.80
  5. Step 5: Solve for x
    x = 661,638,729,849.80/939,851.37
  6. Step 6: Final answer
    x = 703,982.30

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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.