Home / 1,611,803.40-2,414,940.30-768,539.40

Finding the Fourth Proportional to 1,611,803.40, 2,414,940.30 and 768,539.40

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Solution

The fourth proportional to 1,611,803.40, 2,414,940.30 and 768,539.40 is: 1,151,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,803.40 : 2,414,940.30 = 768,539.40 : x
  2. Step 2: Convert to fraction form
    1,611,803.40/2,414,940.30 = 768,539.40/x
  3. Step 3: Cross multiply
    1,611,803.40x = 2,414,940.30 × 768,539.40
  4. Step 4: Simplify right side
    1,611,803.40x = 1,855,976,769,197.82
  5. Step 5: Solve for x
    x = 1,855,976,769,197.82/1,611,803.40
  6. Step 6: Final answer
    x = 1,151,490.79

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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.