Home / 558,823.88-838,360.76-203,837.88

Finding the Fourth Proportional to 558,823.88, 838,360.76 and 203,837.88

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Solution

The fourth proportional to 558,823.88, 838,360.76 and 203,837.88 is: 305,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,823.88 : 838,360.76 = 203,837.88 : x
  2. Step 2: Convert to fraction form
    558,823.88/838,360.76 = 203,837.88/x
  3. Step 3: Cross multiply
    558,823.88x = 838,360.76 × 203,837.88
  4. Step 4: Simplify right side
    558,823.88x = 170,889,678,974.40
  5. Step 5: Solve for x
    x = 170,889,678,974.40/558,823.88
  6. Step 6: Final answer
    x = 305,802.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.