Home / 1,196,840.32-1,651,785.84-687,541.60

Finding the Fourth Proportional to 1,196,840.32, 1,651,785.84 and 687,541.60

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Solution

The fourth proportional to 1,196,840.32, 1,651,785.84 and 687,541.60 is: 948,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,840.32 : 1,651,785.84 = 687,541.60 : x
  2. Step 2: Convert to fraction form
    1,196,840.32/1,651,785.84 = 687,541.60/x
  3. Step 3: Cross multiply
    1,196,840.32x = 1,651,785.84 × 687,541.60
  4. Step 4: Simplify right side
    1,196,840.32x = 1,135,671,479,290.94
  5. Step 5: Solve for x
    x = 1,135,671,479,290.94/1,196,840.32
  6. Step 6: Final answer
    x = 948,891.39

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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.