Home / 558,543.06-770,789.40-303,896.07

Finding the Fourth Proportional to 558,543.06, 770,789.40 and 303,896.07

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Solution

The fourth proportional to 558,543.06, 770,789.40 and 303,896.07 is: 419,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,543.06 : 770,789.40 = 303,896.07 : x
  2. Step 2: Convert to fraction form
    558,543.06/770,789.40 = 303,896.07/x
  3. Step 3: Cross multiply
    558,543.06x = 770,789.40 × 303,896.07
  4. Step 4: Simplify right side
    558,543.06x = 234,239,871,208.51
  5. Step 5: Solve for x
    x = 234,239,871,208.51/558,543.06
  6. Step 6: Final answer
    x = 419,376.56

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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.