Home / 939,822.64-1,296,920.49-510,093.56

Finding the Fourth Proportional to 939,822.64, 1,296,920.49 and 510,093.56

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Solution

The fourth proportional to 939,822.64, 1,296,920.49 and 510,093.56 is: 703,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,822.64 : 1,296,920.49 = 510,093.56 : x
  2. Step 2: Convert to fraction form
    939,822.64/1,296,920.49 = 510,093.56/x
  3. Step 3: Cross multiply
    939,822.64x = 1,296,920.49 × 510,093.56
  4. Step 4: Simplify right side
    939,822.64x = 661,550,789,781.04
  5. Step 5: Solve for x
    x = 661,550,789,781.04/939,822.64
  6. Step 6: Final answer
    x = 703,910.25

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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.