Home / 1,780,816.92-2,671,536.42-783,519

Finding the Fourth Proportional to 1,780,816.92, 2,671,536.42 and 783,519

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Solution

The fourth proportional to 1,780,816.92, 2,671,536.42 and 783,519 is: 1,175,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,816.92 : 2,671,536.42 = 783,519 : x
  2. Step 2: Convert to fraction form
    1,780,816.92/2,671,536.42 = 783,519/x
  3. Step 3: Cross multiply
    1,780,816.92x = 2,671,536.42 × 783,519
  4. Step 4: Simplify right side
    1,780,816.92x = 2,093,199,544,261.98
  5. Step 5: Solve for x
    x = 2,093,199,544,261.98/1,780,816.92
  6. Step 6: Final answer
    x = 1,175,415.35

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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.