Home / 939,828.51-1,296,928.60-510,099.44

Finding the Fourth Proportional to 939,828.51, 1,296,928.60 and 510,099.44

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Solution

The fourth proportional to 939,828.51, 1,296,928.60 and 510,099.44 is: 703,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,828.51 : 1,296,928.60 = 510,099.44 : x
  2. Step 2: Convert to fraction form
    939,828.51/1,296,928.60 = 510,099.44/x
  3. Step 3: Cross multiply
    939,828.51x = 1,296,928.60 × 510,099.44
  4. Step 4: Simplify right side
    939,828.51x = 661,562,544,820.09
  5. Step 5: Solve for x
    x = 661,562,544,820.09/939,828.51
  6. Step 6: Final answer
    x = 703,918.36

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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.