Home / 1,179,892.32-1,628,247.60-643,348.32

Finding the Fourth Proportional to 1,179,892.32, 1,628,247.60 and 643,348.32

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Solution

The fourth proportional to 1,179,892.32, 1,628,247.60 and 643,348.32 is: 887,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,892.32 : 1,628,247.60 = 643,348.32 : x
  2. Step 2: Convert to fraction form
    1,179,892.32/1,628,247.60 = 643,348.32/x
  3. Step 3: Cross multiply
    1,179,892.32x = 1,628,247.60 × 643,348.32
  4. Step 4: Simplify right side
    1,179,892.32x = 1,047,530,358,004.03
  5. Step 5: Solve for x
    x = 1,047,530,358,004.03/1,179,892.32
  6. Step 6: Final answer
    x = 887,818.61

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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.