Home / 493,638.60-739,583.10-462,145.80

Finding the Fourth Proportional to 493,638.60, 739,583.10 and 462,145.80

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Solution

The fourth proportional to 493,638.60, 739,583.10 and 462,145.80 is: 692,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,638.60 : 739,583.10 = 462,145.80 : x
  2. Step 2: Convert to fraction form
    493,638.60/739,583.10 = 462,145.80/x
  3. Step 3: Cross multiply
    493,638.60x = 739,583.10 × 462,145.80
  4. Step 4: Simplify right side
    493,638.60x = 341,795,223,415.98
  5. Step 5: Solve for x
    x = 341,795,223,415.98/493,638.60
  6. Step 6: Final answer
    x = 692,399.71

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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.