Home / 1,579,281.84-2,179,408.94-854,129.57

Finding the Fourth Proportional to 1,579,281.84, 2,179,408.94 and 854,129.57

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Solution

The fourth proportional to 1,579,281.84, 2,179,408.94 and 854,129.57 is: 1,178,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,281.84 : 2,179,408.94 = 854,129.57 : x
  2. Step 2: Convert to fraction form
    1,579,281.84/2,179,408.94 = 854,129.57/x
  3. Step 3: Cross multiply
    1,579,281.84x = 2,179,408.94 × 854,129.57
  4. Step 4: Simplify right side
    1,579,281.84x = 1,861,497,605,608.66
  5. Step 5: Solve for x
    x = 1,861,497,605,608.66/1,579,281.84
  6. Step 6: Final answer
    x = 1,178,698.80

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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.