Home / 939,810.74-1,296,940.25-510,091.03

Finding the Fourth Proportional to 939,810.74, 1,296,940.25 and 510,091.03

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Solution

The fourth proportional to 939,810.74, 1,296,940.25 and 510,091.03 is: 703,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,810.74 : 1,296,940.25 = 510,091.03 : x
  2. Step 2: Convert to fraction form
    939,810.74/1,296,940.25 = 510,091.03/x
  3. Step 3: Cross multiply
    939,810.74x = 1,296,940.25 × 510,091.03
  4. Step 4: Simplify right side
    939,810.74x = 661,557,578,935.80
  5. Step 5: Solve for x
    x = 661,557,578,935.80/939,810.74
  6. Step 6: Final answer
    x = 703,926.39

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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.