Home / 499,501.42-749,187.20-199,984.94

Finding the Fourth Proportional to 499,501.42, 749,187.20 and 199,984.94

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Solution

The fourth proportional to 499,501.42, 749,187.20 and 199,984.94 is: 299,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,501.42 : 749,187.20 = 199,984.94 : x
  2. Step 2: Convert to fraction form
    499,501.42/749,187.20 = 199,984.94/x
  3. Step 3: Cross multiply
    499,501.42x = 749,187.20 × 199,984.94
  4. Step 4: Simplify right side
    499,501.42x = 149,826,156,804.25
  5. Step 5: Solve for x
    x = 149,826,156,804.25/499,501.42
  6. Step 6: Final answer
    x = 299,951.41

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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.