Home / 763,183.34-1,053,195.10-419,041.56

Finding the Fourth Proportional to 763,183.34, 1,053,195.10 and 419,041.56

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Solution

The fourth proportional to 763,183.34, 1,053,195.10 and 419,041.56 is: 578,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,183.34 : 1,053,195.10 = 419,041.56 : x
  2. Step 2: Convert to fraction form
    763,183.34/1,053,195.10 = 419,041.56/x
  3. Step 3: Cross multiply
    763,183.34x = 1,053,195.10 × 419,041.56
  4. Step 4: Simplify right side
    763,183.34x = 441,332,517,469.03
  5. Step 5: Solve for x
    x = 441,332,517,469.03/763,183.34
  6. Step 6: Final answer
    x = 578,278.50

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Double scale
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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.