Home / 930,260.58-1,393,356.44-659,568.20

Finding the Fourth Proportional to 930,260.58, 1,393,356.44 and 659,568.20

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Solution

The fourth proportional to 930,260.58, 1,393,356.44 and 659,568.20 is: 987,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,260.58 : 1,393,356.44 = 659,568.20 : x
  2. Step 2: Convert to fraction form
    930,260.58/1,393,356.44 = 659,568.20/x
  3. Step 3: Cross multiply
    930,260.58x = 1,393,356.44 × 659,568.20
  4. Step 4: Simplify right side
    930,260.58x = 919,013,593,910.51
  5. Step 5: Solve for x
    x = 919,013,593,910.51/930,260.58
  6. Step 6: Final answer
    x = 987,909.86

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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.