Home / 939,822.39-1,296,920.15-510,093.31

Finding the Fourth Proportional to 939,822.39, 1,296,920.15 and 510,093.31

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Solution

The fourth proportional to 939,822.39, 1,296,920.15 and 510,093.31 is: 703,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,822.39 : 1,296,920.15 = 510,093.31 : x
  2. Step 2: Convert to fraction form
    939,822.39/1,296,920.15 = 510,093.31/x
  3. Step 3: Cross multiply
    939,822.39x = 1,296,920.15 × 510,093.31
  4. Step 4: Simplify right side
    939,822.39x = 661,550,289,568.73
  5. Step 5: Solve for x
    x = 661,550,289,568.73/939,822.39
  6. Step 6: Final answer
    x = 703,909.91

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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.