Home / 1,265,056.79-1,897,582.85-412,127.42

Finding the Fourth Proportional to 1,265,056.79, 1,897,582.85 and 412,127.42

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Solution

The fourth proportional to 1,265,056.79, 1,897,582.85 and 412,127.42 is: 618,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,056.79 : 1,897,582.85 = 412,127.42 : x
  2. Step 2: Convert to fraction form
    1,265,056.79/1,897,582.85 = 412,127.42/x
  3. Step 3: Cross multiply
    1,265,056.79x = 1,897,582.85 × 412,127.42
  4. Step 4: Simplify right side
    1,265,056.79x = 782,045,919,540.63
  5. Step 5: Solve for x
    x = 782,045,919,540.63/1,265,056.79
  6. Step 6: Final answer
    x = 618,190.37

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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.