Home / 389,826.33-584,788.68-137,047.41

Finding the Fourth Proportional to 389,826.33, 584,788.68 and 137,047.41

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Solution

The fourth proportional to 389,826.33, 584,788.68 and 137,047.41 is: 205,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,826.33 : 584,788.68 = 137,047.41 : x
  2. Step 2: Convert to fraction form
    389,826.33/584,788.68 = 137,047.41/x
  3. Step 3: Cross multiply
    389,826.33x = 584,788.68 × 137,047.41
  4. Step 4: Simplify right side
    389,826.33x = 80,143,773,991.32
  5. Step 5: Solve for x
    x = 80,143,773,991.32/389,826.33
  6. Step 6: Final answer
    x = 205,588.41

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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.