Home / 558,713.88-771,010.38-304,059.60

Finding the Fourth Proportional to 558,713.88, 771,010.38 and 304,059.60

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Solution

The fourth proportional to 558,713.88, 771,010.38 and 304,059.60 is: 419,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,713.88 : 771,010.38 = 304,059.60 : x
  2. Step 2: Convert to fraction form
    558,713.88/771,010.38 = 304,059.60/x
  3. Step 3: Cross multiply
    558,713.88x = 771,010.38 × 304,059.60
  4. Step 4: Simplify right side
    558,713.88x = 234,433,107,738.65
  5. Step 5: Solve for x
    x = 234,433,107,738.65/558,713.88
  6. Step 6: Final answer
    x = 419,594.21

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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.