Home / 1,612,965.20-2,225,747.40-933,947.60

Finding the Fourth Proportional to 1,612,965.20, 2,225,747.40 and 933,947.60

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Solution

The fourth proportional to 1,612,965.20, 2,225,747.40 and 933,947.60 is: 1,288,763.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,965.20 : 2,225,747.40 = 933,947.60 : x
  2. Step 2: Convert to fraction form
    1,612,965.20/2,225,747.40 = 933,947.60/x
  3. Step 3: Cross multiply
    1,612,965.20x = 2,225,747.40 × 933,947.60
  4. Step 4: Simplify right side
    1,612,965.20x = 2,078,731,442,436.24
  5. Step 5: Solve for x
    x = 2,078,731,442,436.24/1,612,965.20
  6. Step 6: Final answer
    x = 1,288,763.97

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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.