Home / 1,792,137.96-2,687,782.30-512,705.90

Finding the Fourth Proportional to 1,792,137.96, 2,687,782.30 and 512,705.90

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Solution

The fourth proportional to 1,792,137.96, 2,687,782.30 and 512,705.90 is: 768,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,137.96 : 2,687,782.30 = 512,705.90 : x
  2. Step 2: Convert to fraction form
    1,792,137.96/2,687,782.30 = 512,705.90/x
  3. Step 3: Cross multiply
    1,792,137.96x = 2,687,782.30 × 512,705.90
  4. Step 4: Simplify right side
    1,792,137.96x = 1,378,041,848,563.26
  5. Step 5: Solve for x
    x = 1,378,041,848,563.26/1,792,137.96
  6. Step 6: Final answer
    x = 768,937.37

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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.