Home / 1,286,189.60-1,774,855.14-713,208.56

Finding the Fourth Proportional to 1,286,189.60, 1,774,855.14 and 713,208.56

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Solution

The fourth proportional to 1,286,189.60, 1,774,855.14 and 713,208.56 is: 984,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,189.60 : 1,774,855.14 = 713,208.56 : x
  2. Step 2: Convert to fraction form
    1,286,189.60/1,774,855.14 = 713,208.56/x
  3. Step 3: Cross multiply
    1,286,189.60x = 1,774,855.14 × 713,208.56
  4. Step 4: Simplify right side
    1,286,189.60x = 1,265,841,878,608.00
  5. Step 5: Solve for x
    x = 1,265,841,878,608.00/1,286,189.60
  6. Step 6: Final answer
    x = 984,179.84

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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.