Home / 1,619,672.90-2,235,166.35-931,686.44

Finding the Fourth Proportional to 1,619,672.90, 2,235,166.35 and 931,686.44

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Solution

The fourth proportional to 1,619,672.90, 2,235,166.35 and 931,686.44 is: 1,285,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,672.90 : 2,235,166.35 = 931,686.44 : x
  2. Step 2: Convert to fraction form
    1,619,672.90/2,235,166.35 = 931,686.44/x
  3. Step 3: Cross multiply
    1,619,672.90x = 2,235,166.35 × 931,686.44
  4. Step 4: Simplify right side
    1,619,672.90x = 2,082,474,179,439.29
  5. Step 5: Solve for x
    x = 2,082,474,179,439.29/1,619,672.90
  6. Step 6: Final answer
    x = 1,285,737.50

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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.