Home / 1,138,823.43-1,571,514.66-629,493

Finding the Fourth Proportional to 1,138,823.43, 1,571,514.66 and 629,493

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Solution

The fourth proportional to 1,138,823.43, 1,571,514.66 and 629,493 is: 868,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,823.43 : 1,571,514.66 = 629,493 : x
  2. Step 2: Convert to fraction form
    1,138,823.43/1,571,514.66 = 629,493/x
  3. Step 3: Cross multiply
    1,138,823.43x = 1,571,514.66 × 629,493
  4. Step 4: Simplify right side
    1,138,823.43x = 989,257,477,867.38
  5. Step 5: Solve for x
    x = 989,257,477,867.38/1,138,823.43
  6. Step 6: Final answer
    x = 868,666.25

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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.