Home / 1,619,672.40-2,235,165.66-931,685.94

Finding the Fourth Proportional to 1,619,672.40, 2,235,165.66 and 931,685.94

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Solution

The fourth proportional to 1,619,672.40, 2,235,165.66 and 931,685.94 is: 1,285,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,672.40 : 2,235,165.66 = 931,685.94 : x
  2. Step 2: Convert to fraction form
    1,619,672.40/2,235,165.66 = 931,685.94/x
  3. Step 3: Cross multiply
    1,619,672.40x = 2,235,165.66 × 931,685.94
  4. Step 4: Simplify right side
    1,619,672.40x = 2,082,472,418,992.82
  5. Step 5: Solve for x
    x = 2,082,472,418,992.82/1,619,672.40
  6. Step 6: Final answer
    x = 1,285,736.81

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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.