Home / 945,079.60-1,415,286.60-627,818.80

Finding the Fourth Proportional to 945,079.60, 1,415,286.60 and 627,818.80

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Solution

The fourth proportional to 945,079.60, 1,415,286.60 and 627,818.80 is: 940,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,079.60 : 1,415,286.60 = 627,818.80 : x
  2. Step 2: Convert to fraction form
    945,079.60/1,415,286.60 = 627,818.80/x
  3. Step 3: Cross multiply
    945,079.60x = 1,415,286.60 × 627,818.80
  4. Step 4: Simplify right side
    945,079.60x = 888,543,534,868.08
  5. Step 5: Solve for x
    x = 888,543,534,868.08/945,079.60
  6. Step 6: Final answer
    x = 940,178.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.