Home / 389,053.20-583,579.76-201,671.04

Finding the Fourth Proportional to 389,053.20, 583,579.76 and 201,671.04

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Solution

The fourth proportional to 389,053.20, 583,579.76 and 201,671.04 is: 302,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,053.20 : 583,579.76 = 201,671.04 : x
  2. Step 2: Convert to fraction form
    389,053.20/583,579.76 = 201,671.04/x
  3. Step 3: Cross multiply
    389,053.20x = 583,579.76 × 201,671.04
  4. Step 4: Simplify right side
    389,053.20x = 117,691,137,122.15
  5. Step 5: Solve for x
    x = 117,691,137,122.15/389,053.20
  6. Step 6: Final answer
    x = 302,506.54

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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.