Home / 1,779,469.77-2,669,659.82-517,297.39

Finding the Fourth Proportional to 1,779,469.77, 2,669,659.82 and 517,297.39

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Solution

The fourth proportional to 1,779,469.77, 2,669,659.82 and 517,297.39 is: 776,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,469.77 : 2,669,659.82 = 517,297.39 : x
  2. Step 2: Convert to fraction form
    1,779,469.77/2,669,659.82 = 517,297.39/x
  3. Step 3: Cross multiply
    1,779,469.77x = 2,669,659.82 × 517,297.39
  4. Step 4: Simplify right side
    1,779,469.77x = 1,381,008,057,073.87
  5. Step 5: Solve for x
    x = 1,381,008,057,073.87/1,779,469.77
  6. Step 6: Final answer
    x = 776,078.41

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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.