Home / 1,617,340.32-2,231,893.98-892,188.63

Finding the Fourth Proportional to 1,617,340.32, 2,231,893.98 and 892,188.63

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Solution

The fourth proportional to 1,617,340.32, 2,231,893.98 and 892,188.63 is: 1,231,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,340.32 : 2,231,893.98 = 892,188.63 : x
  2. Step 2: Convert to fraction form
    1,617,340.32/2,231,893.98 = 892,188.63/x
  3. Step 3: Cross multiply
    1,617,340.32x = 2,231,893.98 × 892,188.63
  4. Step 4: Simplify right side
    1,617,340.32x = 1,991,270,432,321.45
  5. Step 5: Solve for x
    x = 1,991,270,432,321.45/1,617,340.32
  6. Step 6: Final answer
    x = 1,231,200.64

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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.