Home / 1,760,223.64-2,639,912.70-812,683.96

Finding the Fourth Proportional to 1,760,223.64, 2,639,912.70 and 812,683.96

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Solution

The fourth proportional to 1,760,223.64, 2,639,912.70 and 812,683.96 is: 1,218,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,223.64 : 2,639,912.70 = 812,683.96 : x
  2. Step 2: Convert to fraction form
    1,760,223.64/2,639,912.70 = 812,683.96/x
  3. Step 3: Cross multiply
    1,760,223.64x = 2,639,912.70 × 812,683.96
  4. Step 4: Simplify right side
    1,760,223.64x = 2,145,414,707,090.29
  5. Step 5: Solve for x
    x = 2,145,414,707,090.29/1,760,223.64
  6. Step 6: Final answer
    x = 1,218,830.75

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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.