Home / 1,265,066.88-1,897,732.80-412,204.80

Finding the Fourth Proportional to 1,265,066.88, 1,897,732.80 and 412,204.80

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Solution

The fourth proportional to 1,265,066.88, 1,897,732.80 and 412,204.80 is: 618,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,066.88 : 1,897,732.80 = 412,204.80 : x
  2. Step 2: Convert to fraction form
    1,265,066.88/1,897,732.80 = 412,204.80/x
  3. Step 3: Cross multiply
    1,265,066.88x = 1,897,732.80 × 412,204.80
  4. Step 4: Simplify right side
    1,265,066.88x = 782,254,569,277.44
  5. Step 5: Solve for x
    x = 782,254,569,277.44/1,265,066.88
  6. Step 6: Final answer
    x = 618,350.37

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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.