Home / 939,825.90-1,296,924.97-510,096.81

Finding the Fourth Proportional to 939,825.90, 1,296,924.97 and 510,096.81

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Solution

The fourth proportional to 939,825.90, 1,296,924.97 and 510,096.81 is: 703,914.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,825.90 : 1,296,924.97 = 510,096.81 : x
  2. Step 2: Convert to fraction form
    939,825.90/1,296,924.97 = 510,096.81/x
  3. Step 3: Cross multiply
    939,825.90x = 1,296,924.97 × 510,096.81
  4. Step 4: Simplify right side
    939,825.90x = 661,557,290,006.35
  5. Step 5: Solve for x
    x = 661,557,290,006.35/939,825.90
  6. Step 6: Final answer
    x = 703,914.73

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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.