Home / 1,261,697.96-1,741,120.70-717,822.04

Finding the Fourth Proportional to 1,261,697.96, 1,741,120.70 and 717,822.04

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Solution

The fourth proportional to 1,261,697.96, 1,741,120.70 and 717,822.04 is: 990,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,697.96 : 1,741,120.70 = 717,822.04 : x
  2. Step 2: Convert to fraction form
    1,261,697.96/1,741,120.70 = 717,822.04/x
  3. Step 3: Cross multiply
    1,261,697.96x = 1,741,120.70 × 717,822.04
  4. Step 4: Simplify right side
    1,261,697.96x = 1,249,814,812,760.23
  5. Step 5: Solve for x
    x = 1,249,814,812,760.23/1,261,697.96
  6. Step 6: Final answer
    x = 990,581.62

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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.