Home / 1,680,955.39-2,319,539.56-945,896.83

Finding the Fourth Proportional to 1,680,955.39, 2,319,539.56 and 945,896.83

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Solution

The fourth proportional to 1,680,955.39, 2,319,539.56 and 945,896.83 is: 1,305,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,955.39 : 2,319,539.56 = 945,896.83 : x
  2. Step 2: Convert to fraction form
    1,680,955.39/2,319,539.56 = 945,896.83/x
  3. Step 3: Cross multiply
    1,680,955.39x = 2,319,539.56 × 945,896.83
  4. Step 4: Simplify right side
    1,680,955.39x = 2,194,045,108,700.00
  5. Step 5: Solve for x
    x = 2,194,045,108,700.00/1,680,955.39
  6. Step 6: Final answer
    x = 1,305,236.97

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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.