Home / 1,391,033.08-1,923,851.82-1,247,740.84

Finding the Fourth Proportional to 1,391,033.08, 1,923,851.82 and 1,247,740.84

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Solution

The fourth proportional to 1,391,033.08, 1,923,851.82 and 1,247,740.84 is: 1,725,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,033.08 : 1,923,851.82 = 1,247,740.84 : x
  2. Step 2: Convert to fraction form
    1,391,033.08/1,923,851.82 = 1,247,740.84/x
  3. Step 3: Cross multiply
    1,391,033.08x = 1,923,851.82 × 1,247,740.84
  4. Step 4: Simplify right side
    1,391,033.08x = 2,400,468,485,922.33
  5. Step 5: Solve for x
    x = 2,400,468,485,922.33/1,391,033.08
  6. Step 6: Final answer
    x = 1,725,673.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.