Home / 499,766.42-749,649.02-162,806.51

Finding the Fourth Proportional to 499,766.42, 749,649.02 and 162,806.51

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Solution

The fourth proportional to 499,766.42, 749,649.02 and 162,806.51 is: 244,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,766.42 : 749,649.02 = 162,806.51 : x
  2. Step 2: Convert to fraction form
    499,766.42/749,649.02 = 162,806.51/x
  3. Step 3: Cross multiply
    499,766.42x = 749,649.02 × 162,806.51
  4. Step 4: Simplify right side
    499,766.42x = 122,047,741,731.21
  5. Step 5: Solve for x
    x = 122,047,741,731.21/499,766.42
  6. Step 6: Final answer
    x = 244,209.57

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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.