Home / 1,008,805.70-1,392,133.83-549,924.23

Finding the Fourth Proportional to 1,008,805.70, 1,392,133.83 and 549,924.23

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Solution

The fourth proportional to 1,008,805.70, 1,392,133.83 and 549,924.23 is: 758,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,805.70 : 1,392,133.83 = 549,924.23 : x
  2. Step 2: Convert to fraction form
    1,008,805.70/1,392,133.83 = 549,924.23/x
  3. Step 3: Cross multiply
    1,008,805.70x = 1,392,133.83 × 549,924.23
  4. Step 4: Simplify right side
    1,008,805.70x = 765,568,124,519.70
  5. Step 5: Solve for x
    x = 765,568,124,519.70/1,008,805.70
  6. Step 6: Final answer
    x = 758,885.61

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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.