Home / 1,265,057.63-1,897,584.13-412,128.27

Finding the Fourth Proportional to 1,265,057.63, 1,897,584.13 and 412,128.27

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Solution

The fourth proportional to 1,265,057.63, 1,897,584.13 and 412,128.27 is: 618,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,057.63 : 1,897,584.13 = 412,128.27 : x
  2. Step 2: Convert to fraction form
    1,265,057.63/1,897,584.13 = 412,128.27/x
  3. Step 3: Cross multiply
    1,265,057.63x = 1,897,584.13 × 412,128.27
  4. Step 4: Simplify right side
    1,265,057.63x = 782,048,065,191.52
  5. Step 5: Solve for x
    x = 782,048,065,191.52/1,265,057.63
  6. Step 6: Final answer
    x = 618,191.65

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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.