Home / 791,967.68-1,091,858.10-629,164.36

Finding the Fourth Proportional to 791,967.68, 1,091,858.10 and 629,164.36

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Solution

The fourth proportional to 791,967.68, 1,091,858.10 and 629,164.36 is: 867,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,967.68 : 1,091,858.10 = 629,164.36 : x
  2. Step 2: Convert to fraction form
    791,967.68/1,091,858.10 = 629,164.36/x
  3. Step 3: Cross multiply
    791,967.68x = 1,091,858.10 × 629,164.36
  4. Step 4: Simplify right side
    791,967.68x = 686,958,202,697.32
  5. Step 5: Solve for x
    x = 686,958,202,697.32/791,967.68
  6. Step 6: Final answer
    x = 867,406.87

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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.