Home / 1,206,708.58-1,665,158.64-662,816.26

Finding the Fourth Proportional to 1,206,708.58, 1,665,158.64 and 662,816.26

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Solution

The fourth proportional to 1,206,708.58, 1,665,158.64 and 662,816.26 is: 914,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,708.58 : 1,665,158.64 = 662,816.26 : x
  2. Step 2: Convert to fraction form
    1,206,708.58/1,665,158.64 = 662,816.26/x
  3. Step 3: Cross multiply
    1,206,708.58x = 1,665,158.64 × 662,816.26
  4. Step 4: Simplify right side
    1,206,708.58x = 1,103,694,222,071.49
  5. Step 5: Solve for x
    x = 1,103,694,222,071.49/1,206,708.58
  6. Step 6: Final answer
    x = 914,631.95

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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.