Home / 1,568,687.32-2,164,788.53-889,623.82

Finding the Fourth Proportional to 1,568,687.32, 2,164,788.53 and 889,623.82

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Solution

The fourth proportional to 1,568,687.32, 2,164,788.53 and 889,623.82 is: 1,227,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,687.32 : 2,164,788.53 = 889,623.82 : x
  2. Step 2: Convert to fraction form
    1,568,687.32/2,164,788.53 = 889,623.82/x
  3. Step 3: Cross multiply
    1,568,687.32x = 2,164,788.53 × 889,623.82
  4. Step 4: Simplify right side
    1,568,687.32x = 1,925,847,441,550.78
  5. Step 5: Solve for x
    x = 1,925,847,441,550.78/1,568,687.32
  6. Step 6: Final answer
    x = 1,227,680.89

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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.