Home / 1,206,665.64-1,665,195.57-662,800.05

Finding the Fourth Proportional to 1,206,665.64, 1,665,195.57 and 662,800.05

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Solution

The fourth proportional to 1,206,665.64, 1,665,195.57 and 662,800.05 is: 914,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,665.64 : 1,665,195.57 = 662,800.05 : x
  2. Step 2: Convert to fraction form
    1,206,665.64/1,665,195.57 = 662,800.05/x
  3. Step 3: Cross multiply
    1,206,665.64x = 1,665,195.57 × 662,800.05
  4. Step 4: Simplify right side
    1,206,665.64x = 1,103,691,707,055.78
  5. Step 5: Solve for x
    x = 1,103,691,707,055.78/1,206,665.64
  6. Step 6: Final answer
    x = 914,662.41

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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.