Home / 1,617,555.62-2,232,211.37-892,409.20

Finding the Fourth Proportional to 1,617,555.62, 2,232,211.37 and 892,409.20

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Solution

The fourth proportional to 1,617,555.62, 2,232,211.37 and 892,409.20 is: 1,231,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,555.62 : 2,232,211.37 = 892,409.20 : x
  2. Step 2: Convert to fraction form
    1,617,555.62/2,232,211.37 = 892,409.20/x
  3. Step 3: Cross multiply
    1,617,555.62x = 2,232,211.37 × 892,409.20
  4. Step 4: Simplify right side
    1,617,555.62x = 1,992,045,952,890.03
  5. Step 5: Solve for x
    x = 1,992,045,952,890.03/1,617,555.62
  6. Step 6: Final answer
    x = 1,231,516.20

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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.