Home / 876,857.60-1,315,286.40-593,422.40

Finding the Fourth Proportional to 876,857.60, 1,315,286.40 and 593,422.40

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Solution

The fourth proportional to 876,857.60, 1,315,286.40 and 593,422.40 is: 890,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,857.60 : 1,315,286.40 = 593,422.40 : x
  2. Step 2: Convert to fraction form
    876,857.60/1,315,286.40 = 593,422.40/x
  3. Step 3: Cross multiply
    876,857.60x = 1,315,286.40 × 593,422.40
  4. Step 4: Simplify right side
    876,857.60x = 780,520,412,175.36
  5. Step 5: Solve for x
    x = 780,520,412,175.36/876,857.60
  6. Step 6: Final answer
    x = 890,133.60

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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.