Home / 558,381.36-770,562.81-303,733.56

Finding the Fourth Proportional to 558,381.36, 770,562.81 and 303,733.56

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Solution

The fourth proportional to 558,381.36, 770,562.81 and 303,733.56 is: 419,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,381.36 : 770,562.81 = 303,733.56 : x
  2. Step 2: Convert to fraction form
    558,381.36/770,562.81 = 303,733.56/x
  3. Step 3: Cross multiply
    558,381.36x = 770,562.81 × 303,733.56
  4. Step 4: Simplify right side
    558,381.36x = 234,045,785,484.90
  5. Step 5: Solve for x
    x = 234,045,785,484.90/558,381.36
  6. Step 6: Final answer
    x = 419,150.43

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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.