Home / 677,791.09-934,584.78-432,447.58

Finding the Fourth Proportional to 677,791.09, 934,584.78 and 432,447.58

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Solution

The fourth proportional to 677,791.09, 934,584.78 and 432,447.58 is: 596,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,791.09 : 934,584.78 = 432,447.58 : x
  2. Step 2: Convert to fraction form
    677,791.09/934,584.78 = 432,447.58/x
  3. Step 3: Cross multiply
    677,791.09x = 934,584.78 × 432,447.58
  4. Step 4: Simplify right side
    677,791.09x = 404,158,926,415.83
  5. Step 5: Solve for x
    x = 404,158,926,415.83/677,791.09
  6. Step 6: Final answer
    x = 596,288.34

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1.5x scale

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.