Home / 1,416,679.83-2,124,392.78-405,571.41

Finding the Fourth Proportional to 1,416,679.83, 2,124,392.78 and 405,571.41

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Solution

The fourth proportional to 1,416,679.83, 2,124,392.78 and 405,571.41 is: 608,177.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,679.83 : 2,124,392.78 = 405,571.41 : x
  2. Step 2: Convert to fraction form
    1,416,679.83/2,124,392.78 = 405,571.41/x
  3. Step 3: Cross multiply
    1,416,679.83x = 2,124,392.78 × 405,571.41
  4. Step 4: Simplify right side
    1,416,679.83x = 861,592,976,192.35
  5. Step 5: Solve for x
    x = 861,592,976,192.35/1,416,679.83
  6. Step 6: Final answer
    x = 608,177.63

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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.