Home / 1,098,659.20-1,647,481.20-499,596.16

Finding the Fourth Proportional to 1,098,659.20, 1,647,481.20 and 499,596.16

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Solution

The fourth proportional to 1,098,659.20, 1,647,481.20 and 499,596.16 is: 749,163.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,659.20 : 1,647,481.20 = 499,596.16 : x
  2. Step 2: Convert to fraction form
    1,098,659.20/1,647,481.20 = 499,596.16/x
  3. Step 3: Cross multiply
    1,098,659.20x = 1,647,481.20 × 499,596.16
  4. Step 4: Simplify right side
    1,098,659.20x = 823,075,281,192.19
  5. Step 5: Solve for x
    x = 823,075,281,192.19/1,098,659.20
  6. Step 6: Final answer
    x = 749,163.42

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Double scale
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Similar ratio
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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.