Home / 1,227,529.30-1,838,183.55-978,697.30

Finding the Fourth Proportional to 1,227,529.30, 1,838,183.55 and 978,697.30

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Solution

The fourth proportional to 1,227,529.30, 1,838,183.55 and 978,697.30 is: 1,465,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,529.30 : 1,838,183.55 = 978,697.30 : x
  2. Step 2: Convert to fraction form
    1,227,529.30/1,838,183.55 = 978,697.30/x
  3. Step 3: Cross multiply
    1,227,529.30x = 1,838,183.55 × 978,697.30
  4. Step 4: Simplify right side
    1,227,529.30x = 1,799,025,277,289.42
  5. Step 5: Solve for x
    x = 1,799,025,277,289.42/1,227,529.30
  6. Step 6: Final answer
    x = 1,465,566.06

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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.