Home / 1,192,221.62-1,649,598.16-1,039,578.10

Finding the Fourth Proportional to 1,192,221.62, 1,649,598.16 and 1,039,578.10

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Solution

The fourth proportional to 1,192,221.62, 1,649,598.16 and 1,039,578.10 is: 1,438,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,221.62 : 1,649,598.16 = 1,039,578.10 : x
  2. Step 2: Convert to fraction form
    1,192,221.62/1,649,598.16 = 1,039,578.10/x
  3. Step 3: Cross multiply
    1,192,221.62x = 1,649,598.16 × 1,039,578.10
  4. Step 4: Simplify right side
    1,192,221.62x = 1,714,886,120,936.30
  5. Step 5: Solve for x
    x = 1,714,886,120,936.30/1,192,221.62
  6. Step 6: Final answer
    x = 1,438,395.42

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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.