Home / 991,589.58-1,367,926.92-719,059.68

Finding the Fourth Proportional to 991,589.58, 1,367,926.92 and 719,059.68

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Solution

The fourth proportional to 991,589.58, 1,367,926.92 and 719,059.68 is: 991,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,589.58 : 1,367,926.92 = 719,059.68 : x
  2. Step 2: Convert to fraction form
    991,589.58/1,367,926.92 = 719,059.68/x
  3. Step 3: Cross multiply
    991,589.58x = 1,367,926.92 × 719,059.68
  4. Step 4: Simplify right side
    991,589.58x = 983,621,093,358.59
  5. Step 5: Solve for x
    x = 983,621,093,358.59/991,589.58
  6. Step 6: Final answer
    x = 991,963.93

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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.