Home / 1,261,898.92-1,741,620.45-802,534.56

Finding the Fourth Proportional to 1,261,898.92, 1,741,620.45 and 802,534.56

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Solution

The fourth proportional to 1,261,898.92, 1,741,620.45 and 802,534.56 is: 1,107,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,898.92 : 1,741,620.45 = 802,534.56 : x
  2. Step 2: Convert to fraction form
    1,261,898.92/1,741,620.45 = 802,534.56/x
  3. Step 3: Cross multiply
    1,261,898.92x = 1,741,620.45 × 802,534.56
  4. Step 4: Simplify right side
    1,261,898.92x = 1,397,710,601,527.75
  5. Step 5: Solve for x
    x = 1,397,710,601,527.75/1,261,898.92
  6. Step 6: Final answer
    x = 1,107,624.85

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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.