Home / 1,309,374.20-1,807,766.57-896,601.71

Finding the Fourth Proportional to 1,309,374.20, 1,807,766.57 and 896,601.71

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Solution

The fourth proportional to 1,309,374.20, 1,807,766.57 and 896,601.71 is: 1,237,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,374.20 : 1,807,766.57 = 896,601.71 : x
  2. Step 2: Convert to fraction form
    1,309,374.20/1,807,766.57 = 896,601.71/x
  3. Step 3: Cross multiply
    1,309,374.20x = 1,807,766.57 × 896,601.71
  4. Step 4: Simplify right side
    1,309,374.20x = 1,620,846,597,942.83
  5. Step 5: Solve for x
    x = 1,620,846,597,942.83/1,309,374.20
  6. Step 6: Final answer
    x = 1,237,878.83

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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.