Home / 1,753,269.21-2,419,487.87-978,911.91

Finding the Fourth Proportional to 1,753,269.21, 2,419,487.87 and 978,911.91

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Solution

The fourth proportional to 1,753,269.21, 2,419,487.87 and 978,911.91 is: 1,350,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,269.21 : 2,419,487.87 = 978,911.91 : x
  2. Step 2: Convert to fraction form
    1,753,269.21/2,419,487.87 = 978,911.91/x
  3. Step 3: Cross multiply
    1,753,269.21x = 2,419,487.87 × 978,911.91
  4. Step 4: Simplify right side
    1,753,269.21x = 2,368,465,487,148.97
  5. Step 5: Solve for x
    x = 2,368,465,487,148.97/1,753,269.21
  6. Step 6: Final answer
    x = 1,350,885.23

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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.