Home / 939,832.96-1,296,934.71-510,103.88

Finding the Fourth Proportional to 939,832.96, 1,296,934.71 and 510,103.88

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Solution

The fourth proportional to 939,832.96, 1,296,934.71 and 510,103.88 is: 703,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,832.96 : 1,296,934.71 = 510,103.88 : x
  2. Step 2: Convert to fraction form
    939,832.96/1,296,934.71 = 510,103.88/x
  3. Step 3: Cross multiply
    939,832.96x = 1,296,934.71 × 510,103.88
  4. Step 4: Simplify right side
    939,832.96x = 661,571,427,677.68
  5. Step 5: Solve for x
    x = 661,571,427,677.68/939,832.96
  6. Step 6: Final answer
    x = 703,924.48

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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.