Home / 1,225,912.77-1,839,282.98-542,705.39

Finding the Fourth Proportional to 1,225,912.77, 1,839,282.98 and 542,705.39

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Solution

The fourth proportional to 1,225,912.77, 1,839,282.98 and 542,705.39 is: 814,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,912.77 : 1,839,282.98 = 542,705.39 : x
  2. Step 2: Convert to fraction form
    1,225,912.77/1,839,282.98 = 542,705.39/x
  3. Step 3: Cross multiply
    1,225,912.77x = 1,839,282.98 × 542,705.39
  4. Step 4: Simplify right side
    1,225,912.77x = 998,188,786,981.26
  5. Step 5: Solve for x
    x = 998,188,786,981.26/1,225,912.77
  6. Step 6: Final answer
    x = 814,241.28

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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.