Home / 1,382,826.73-1,908,426.23-839,100.28

Finding the Fourth Proportional to 1,382,826.73, 1,908,426.23 and 839,100.28

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Solution

The fourth proportional to 1,382,826.73, 1,908,426.23 and 839,100.28 is: 1,158,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,826.73 : 1,908,426.23 = 839,100.28 : x
  2. Step 2: Convert to fraction form
    1,382,826.73/1,908,426.23 = 839,100.28/x
  3. Step 3: Cross multiply
    1,382,826.73x = 1,908,426.23 × 839,100.28
  4. Step 4: Simplify right side
    1,382,826.73x = 1,601,360,983,952.34
  5. Step 5: Solve for x
    x = 1,601,360,983,952.34/1,382,826.73
  6. Step 6: Final answer
    x = 1,158,034.44

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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.