Home / 1,839,209.64-2,759,073.12-640,959.90

Finding the Fourth Proportional to 1,839,209.64, 2,759,073.12 and 640,959.90

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Solution

The fourth proportional to 1,839,209.64, 2,759,073.12 and 640,959.90 is: 961,529.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,209.64 : 2,759,073.12 = 640,959.90 : x
  2. Step 2: Convert to fraction form
    1,839,209.64/2,759,073.12 = 640,959.90/x
  3. Step 3: Cross multiply
    1,839,209.64x = 2,759,073.12 × 640,959.90
  4. Step 4: Simplify right side
    1,839,209.64x = 1,768,455,231,087.89
  5. Step 5: Solve for x
    x = 1,768,455,231,087.89/1,839,209.64
  6. Step 6: Final answer
    x = 961,529.99

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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.