Home / 1,579,308.75-2,179,446.06-854,156.45

Finding the Fourth Proportional to 1,579,308.75, 2,179,446.06 and 854,156.45

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Solution

The fourth proportional to 1,579,308.75, 2,179,446.06 and 854,156.45 is: 1,178,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,308.75 : 2,179,446.06 = 854,156.45 : x
  2. Step 2: Convert to fraction form
    1,579,308.75/2,179,446.06 = 854,156.45/x
  3. Step 3: Cross multiply
    1,579,308.75x = 2,179,446.06 × 854,156.45
  4. Step 4: Simplify right side
    1,579,308.75x = 1,861,587,905,305.30
  5. Step 5: Solve for x
    x = 1,861,587,905,305.30/1,579,308.75
  6. Step 6: Final answer
    x = 1,178,735.89

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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.