Home / 681,973.87-941,446.75-395,389.39

Finding the Fourth Proportional to 681,973.87, 941,446.75 and 395,389.39

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Solution

The fourth proportional to 681,973.87, 941,446.75 and 395,389.39 is: 545,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,973.87 : 941,446.75 = 395,389.39 : x
  2. Step 2: Convert to fraction form
    681,973.87/941,446.75 = 395,389.39/x
  3. Step 3: Cross multiply
    681,973.87x = 941,446.75 × 395,389.39
  4. Step 4: Simplify right side
    681,973.87x = 372,238,055,364.46
  5. Step 5: Solve for x
    x = 372,238,055,364.46/681,973.87
  6. Step 6: Final answer
    x = 545,824.51

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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.