Home / 905,991.43-1,250,276.58-498,096.15

Finding the Fourth Proportional to 905,991.43, 1,250,276.58 and 498,096.15

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Solution

The fourth proportional to 905,991.43, 1,250,276.58 and 498,096.15 is: 687,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,991.43 : 1,250,276.58 = 498,096.15 : x
  2. Step 2: Convert to fraction form
    905,991.43/1,250,276.58 = 498,096.15/x
  3. Step 3: Cross multiply
    905,991.43x = 1,250,276.58 × 498,096.15
  4. Step 4: Simplify right side
    905,991.43x = 622,757,950,933.17
  5. Step 5: Solve for x
    x = 622,757,950,933.17/905,991.43
  6. Step 6: Final answer
    x = 687,377.31

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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.