Home / 755,183.20-1,042,008.96-483,042.64

Finding the Fourth Proportional to 755,183.20, 1,042,008.96 and 483,042.64

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Solution

The fourth proportional to 755,183.20, 1,042,008.96 and 483,042.64 is: 666,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,183.20 : 1,042,008.96 = 483,042.64 : x
  2. Step 2: Convert to fraction form
    755,183.20/1,042,008.96 = 483,042.64/x
  3. Step 3: Cross multiply
    755,183.20x = 1,042,008.96 × 483,042.64
  4. Step 4: Simplify right side
    755,183.20x = 503,334,758,942.05
  5. Step 5: Solve for x
    x = 503,334,758,942.05/755,183.20
  6. Step 6: Final answer
    x = 666,506.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.