Home / 558,040.74-770,092.43-303,391.93

Finding the Fourth Proportional to 558,040.74, 770,092.43 and 303,391.93

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Solution

The fourth proportional to 558,040.74, 770,092.43 and 303,391.93 is: 418,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,040.74 : 770,092.43 = 303,391.93 : x
  2. Step 2: Convert to fraction form
    558,040.74/770,092.43 = 303,391.93/x
  3. Step 3: Cross multiply
    558,040.74x = 770,092.43 × 303,391.93
  4. Step 4: Simplify right side
    558,040.74x = 233,639,825,173.90
  5. Step 5: Solve for x
    x = 233,639,825,173.90/558,040.74
  6. Step 6: Final answer
    x = 418,678.80

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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.