Home / 1,760,212.64-2,639,896.20-812,672.96

Finding the Fourth Proportional to 1,760,212.64, 2,639,896.20 and 812,672.96

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Solution

The fourth proportional to 1,760,212.64, 2,639,896.20 and 812,672.96 is: 1,218,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,212.64 : 2,639,896.20 = 812,672.96 : x
  2. Step 2: Convert to fraction form
    1,760,212.64/2,639,896.20 = 812,672.96/x
  3. Step 3: Cross multiply
    1,760,212.64x = 2,639,896.20 × 812,672.96
  4. Step 4: Simplify right side
    1,760,212.64x = 2,145,372,258,946.75
  5. Step 5: Solve for x
    x = 2,145,372,258,946.75/1,760,212.64
  6. Step 6: Final answer
    x = 1,218,814.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.