Home / 1,282,091.67-1,923,238.62-429,168.29

Finding the Fourth Proportional to 1,282,091.67, 1,923,238.62 and 429,168.29

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Solution

The fourth proportional to 1,282,091.67, 1,923,238.62 and 429,168.29 is: 643,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,091.67 : 1,923,238.62 = 429,168.29 : x
  2. Step 2: Convert to fraction form
    1,282,091.67/1,923,238.62 = 429,168.29/x
  3. Step 3: Cross multiply
    1,282,091.67x = 1,923,238.62 × 429,168.29
  4. Step 4: Simplify right side
    1,282,091.67x = 825,393,020,191.17
  5. Step 5: Solve for x
    x = 825,393,020,191.17/1,282,091.67
  6. Step 6: Final answer
    x = 643,786.27

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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.