Home / 851,261.96-1,174,076.83-545,366.57

Finding the Fourth Proportional to 851,261.96, 1,174,076.83 and 545,366.57

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Solution

The fourth proportional to 851,261.96, 1,174,076.83 and 545,366.57 is: 752,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,261.96 : 1,174,076.83 = 545,366.57 : x
  2. Step 2: Convert to fraction form
    851,261.96/1,174,076.83 = 545,366.57/x
  3. Step 3: Cross multiply
    851,261.96x = 1,174,076.83 × 545,366.57
  4. Step 4: Simplify right side
    851,261.96x = 640,302,252,041.39
  5. Step 5: Solve for x
    x = 640,302,252,041.39/851,261.96
  6. Step 6: Final answer
    x = 752,180.04

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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.