Home / 1,382,825.73-1,908,424.85-839,099.28

Finding the Fourth Proportional to 1,382,825.73, 1,908,424.85 and 839,099.28

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Solution

The fourth proportional to 1,382,825.73, 1,908,424.85 and 839,099.28 is: 1,158,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,825.73 : 1,908,424.85 = 839,099.28 : x
  2. Step 2: Convert to fraction form
    1,382,825.73/1,908,424.85 = 839,099.28/x
  3. Step 3: Cross multiply
    1,382,825.73x = 1,908,424.85 × 839,099.28
  4. Step 4: Simplify right side
    1,382,825.73x = 1,601,357,913,373.61
  5. Step 5: Solve for x
    x = 1,601,357,913,373.61/1,382,825.73
  6. Step 6: Final answer
    x = 1,158,033.06

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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.