Home / 558,040.99-770,092.77-303,392.18

Finding the Fourth Proportional to 558,040.99, 770,092.77 and 303,392.18

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Solution

The fourth proportional to 558,040.99, 770,092.77 and 303,392.18 is: 418,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,040.99 : 770,092.77 = 303,392.18 : x
  2. Step 2: Convert to fraction form
    558,040.99/770,092.77 = 303,392.18/x
  3. Step 3: Cross multiply
    558,040.99x = 770,092.77 × 303,392.18
  4. Step 4: Simplify right side
    558,040.99x = 233,640,124,292.54
  5. Step 5: Solve for x
    x = 233,640,124,292.54/558,040.99
  6. Step 6: Final answer
    x = 418,679.14

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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.