Home / 1,759,736.40-2,642,812.20-1,539,286.80

Finding the Fourth Proportional to 1,759,736.40, 2,642,812.20 and 1,539,286.80

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Solution

The fourth proportional to 1,759,736.40, 2,642,812.20 and 1,539,286.80 is: 2,311,735.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,736.40 : 2,642,812.20 = 1,539,286.80 : x
  2. Step 2: Convert to fraction form
    1,759,736.40/2,642,812.20 = 1,539,286.80/x
  3. Step 3: Cross multiply
    1,759,736.40x = 2,642,812.20 × 1,539,286.80
  4. Step 4: Simplify right side
    1,759,736.40x = 4,068,045,934,338.96
  5. Step 5: Solve for x
    x = 4,068,045,934,338.96/1,759,736.40
  6. Step 6: Final answer
    x = 2,311,735.97

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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.