Home / 1,787,573.40-2,677,769.96-826,682.15

Finding the Fourth Proportional to 1,787,573.40, 2,677,769.96 and 826,682.15

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Solution

The fourth proportional to 1,787,573.40, 2,677,769.96 and 826,682.15 is: 1,238,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,573.40 : 2,677,769.96 = 826,682.15 : x
  2. Step 2: Convert to fraction form
    1,787,573.40/2,677,769.96 = 826,682.15/x
  3. Step 3: Cross multiply
    1,787,573.40x = 2,677,769.96 × 826,682.15
  4. Step 4: Simplify right side
    1,787,573.40x = 2,213,664,610,215.95
  5. Step 5: Solve for x
    x = 2,213,664,610,215.95/1,787,573.40
  6. Step 6: Final answer
    x = 1,238,362.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.