Home / 979,186.84-1,469,198.16-553,042.60

Finding the Fourth Proportional to 979,186.84, 1,469,198.16 and 553,042.60

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Solution

The fourth proportional to 979,186.84, 1,469,198.16 and 553,042.60 is: 829,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,186.84 : 1,469,198.16 = 553,042.60 : x
  2. Step 2: Convert to fraction form
    979,186.84/1,469,198.16 = 553,042.60/x
  3. Step 3: Cross multiply
    979,186.84x = 1,469,198.16 × 553,042.60
  4. Step 4: Simplify right side
    979,186.84x = 812,529,170,321.62
  5. Step 5: Solve for x
    x = 812,529,170,321.62/979,186.84
  6. Step 6: Final answer
    x = 829,799.93

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1.5x scale

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.