Home / 492,778.02-739,582.47-193,468.80

Finding the Fourth Proportional to 492,778.02, 739,582.47 and 193,468.80

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Solution

The fourth proportional to 492,778.02, 739,582.47 and 193,468.80 is: 290,366.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,778.02 : 739,582.47 = 193,468.80 : x
  2. Step 2: Convert to fraction form
    492,778.02/739,582.47 = 193,468.80/x
  3. Step 3: Cross multiply
    492,778.02x = 739,582.47 × 193,468.80
  4. Step 4: Simplify right side
    492,778.02x = 143,086,132,971.94
  5. Step 5: Solve for x
    x = 143,086,132,971.94/492,778.02
  6. Step 6: Final answer
    x = 290,366.31

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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.