Home / 558,559.22-837,837.60-203,428.10

Finding the Fourth Proportional to 558,559.22, 837,837.60 and 203,428.10

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Solution

The fourth proportional to 558,559.22, 837,837.60 and 203,428.10 is: 305,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,559.22 : 837,837.60 = 203,428.10 : x
  2. Step 2: Convert to fraction form
    558,559.22/837,837.60 = 203,428.10/x
  3. Step 3: Cross multiply
    558,559.22x = 837,837.60 × 203,428.10
  4. Step 4: Simplify right side
    558,559.22x = 170,439,711,076.56
  5. Step 5: Solve for x
    x = 170,439,711,076.56/558,559.22
  6. Step 6: Final answer
    x = 305,141.70

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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.