Home / 1,839,015.70-2,758,538.93-640,936.08

Finding the Fourth Proportional to 1,839,015.70, 2,758,538.93 and 640,936.08

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Solution

The fourth proportional to 1,839,015.70, 2,758,538.93 and 640,936.08 is: 961,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,015.70 : 2,758,538.93 = 640,936.08 : x
  2. Step 2: Convert to fraction form
    1,839,015.70/2,758,538.93 = 640,936.08/x
  3. Step 3: Cross multiply
    1,839,015.70x = 2,758,538.93 × 640,936.08
  4. Step 4: Simplify right side
    1,839,015.70x = 1,768,047,125,116.91
  5. Step 5: Solve for x
    x = 1,768,047,125,116.91/1,839,015.70
  6. Step 6: Final answer
    x = 961,409.48

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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.