Home / 991,770.54-1,368,614.61-562,090.38

Finding the Fourth Proportional to 991,770.54, 1,368,614.61 and 562,090.38

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Solution

The fourth proportional to 991,770.54, 1,368,614.61 and 562,090.38 is: 775,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,770.54 : 1,368,614.61 = 562,090.38 : x
  2. Step 2: Convert to fraction form
    991,770.54/1,368,614.61 = 562,090.38/x
  3. Step 3: Cross multiply
    991,770.54x = 1,368,614.61 × 562,090.38
  4. Step 4: Simplify right side
    991,770.54x = 769,285,106,208.45
  5. Step 5: Solve for x
    x = 769,285,106,208.45/991,770.54
  6. Step 6: Final answer
    x = 775,668.44

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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.