Home / 1,617,604.40-2,232,336.80-892,461.60

Finding the Fourth Proportional to 1,617,604.40, 2,232,336.80 and 892,461.60

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Solution

The fourth proportional to 1,617,604.40, 2,232,336.80 and 892,461.60 is: 1,231,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,604.40 : 2,232,336.80 = 892,461.60 : x
  2. Step 2: Convert to fraction form
    1,617,604.40/2,232,336.80 = 892,461.60/x
  3. Step 3: Cross multiply
    1,617,604.40x = 2,232,336.80 × 892,461.60
  4. Step 4: Simplify right side
    1,617,604.40x = 1,992,274,872,266.88
  5. Step 5: Solve for x
    x = 1,992,274,872,266.88/1,617,604.40
  6. Step 6: Final answer
    x = 1,231,620.58

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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.