Home / 1,753,040.34-2,419,186.10-978,626.41

Finding the Fourth Proportional to 1,753,040.34, 2,419,186.10 and 978,626.41

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Solution

The fourth proportional to 1,753,040.34, 2,419,186.10 and 978,626.41 is: 1,350,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,040.34 : 2,419,186.10 = 978,626.41 : x
  2. Step 2: Convert to fraction form
    1,753,040.34/2,419,186.10 = 978,626.41/x
  3. Step 3: Cross multiply
    1,753,040.34x = 2,419,186.10 × 978,626.41
  4. Step 4: Simplify right side
    1,753,040.34x = 2,367,479,397,223.80
  5. Step 5: Solve for x
    x = 2,367,479,397,223.80/1,753,040.34
  6. Step 6: Final answer
    x = 1,350,499.10

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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.