Home / 681,977.25-941,451.41-395,392.77

Finding the Fourth Proportional to 681,977.25, 941,451.41 and 395,392.77

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Solution

The fourth proportional to 681,977.25, 941,451.41 and 395,392.77 is: 545,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,977.25 : 941,451.41 = 395,392.77 : x
  2. Step 2: Convert to fraction form
    681,977.25/941,451.41 = 395,392.77/x
  3. Step 3: Cross multiply
    681,977.25x = 941,451.41 × 395,392.77
  4. Step 4: Simplify right side
    681,977.25x = 372,243,081,808.79
  5. Step 5: Solve for x
    x = 372,243,081,808.79/681,977.25
  6. Step 6: Final answer
    x = 545,829.18

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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.