Home / 1,289,917.47-1,933,542.12-436,706.82

Finding the Fourth Proportional to 1,289,917.47, 1,933,542.12 and 436,706.82

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Solution

The fourth proportional to 1,289,917.47, 1,933,542.12 and 436,706.82 is: 654,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,917.47 : 1,933,542.12 = 436,706.82 : x
  2. Step 2: Convert to fraction form
    1,289,917.47/1,933,542.12 = 436,706.82/x
  3. Step 3: Cross multiply
    1,289,917.47x = 1,933,542.12 × 436,706.82
  4. Step 4: Simplify right side
    1,289,917.47x = 844,391,030,561.26
  5. Step 5: Solve for x
    x = 844,391,030,561.26/1,289,917.47
  6. Step 6: Final answer
    x = 654,608.57

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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.