Home / 1,761,760.72-2,642,072.46-499,249.36

Finding the Fourth Proportional to 1,761,760.72, 2,642,072.46 and 499,249.36

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Solution

The fourth proportional to 1,761,760.72, 2,642,072.46 and 499,249.36 is: 748,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,760.72 : 2,642,072.46 = 499,249.36 : x
  2. Step 2: Convert to fraction form
    1,761,760.72/2,642,072.46 = 499,249.36/x
  3. Step 3: Cross multiply
    1,761,760.72x = 2,642,072.46 × 499,249.36
  4. Step 4: Simplify right side
    1,761,760.72x = 1,319,052,984,728.63
  5. Step 5: Solve for x
    x = 1,319,052,984,728.63/1,761,760.72
  6. Step 6: Final answer
    x = 748,712.90

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Double scale
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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.