Home / 1,278,951.26-1,764,953.08-705,991.82

Finding the Fourth Proportional to 1,278,951.26, 1,764,953.08 and 705,991.82

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Solution

The fourth proportional to 1,278,951.26, 1,764,953.08 and 705,991.82 is: 974,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,951.26 : 1,764,953.08 = 705,991.82 : x
  2. Step 2: Convert to fraction form
    1,278,951.26/1,764,953.08 = 705,991.82/x
  3. Step 3: Cross multiply
    1,278,951.26x = 1,764,953.08 × 705,991.82
  4. Step 4: Simplify right side
    1,278,951.26x = 1,246,042,437,163.81
  5. Step 5: Solve for x
    x = 1,246,042,437,163.81/1,278,951.26
  6. Step 6: Final answer
    x = 974,268.90

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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.