Home / 558,276.12-770,092.92-351,215.28

Finding the Fourth Proportional to 558,276.12, 770,092.92 and 351,215.28

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Solution

The fourth proportional to 558,276.12, 770,092.92 and 351,215.28 is: 484,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,276.12 : 770,092.92 = 351,215.28 : x
  2. Step 2: Convert to fraction form
    558,276.12/770,092.92 = 351,215.28/x
  3. Step 3: Cross multiply
    558,276.12x = 770,092.92 × 351,215.28
  4. Step 4: Simplify right side
    558,276.12x = 270,468,400,523.82
  5. Step 5: Solve for x
    x = 270,468,400,523.82/558,276.12
  6. Step 6: Final answer
    x = 484,470.66

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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.