Home / 1,226,571.96-1,839,728.52-328,104.39

Finding the Fourth Proportional to 1,226,571.96, 1,839,728.52 and 328,104.39

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Solution

The fourth proportional to 1,226,571.96, 1,839,728.52 and 328,104.39 is: 492,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,571.96 : 1,839,728.52 = 328,104.39 : x
  2. Step 2: Convert to fraction form
    1,226,571.96/1,839,728.52 = 328,104.39/x
  3. Step 3: Cross multiply
    1,226,571.96x = 1,839,728.52 × 328,104.39
  4. Step 4: Simplify right side
    1,226,571.96x = 603,623,003,820.20
  5. Step 5: Solve for x
    x = 603,623,003,820.20/1,226,571.96
  6. Step 6: Final answer
    x = 492,121.97

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Double scale
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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.