Home / 483,284.16-724,648.40-199,170.86

Finding the Fourth Proportional to 483,284.16, 724,648.40 and 199,170.86

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Solution

The fourth proportional to 483,284.16, 724,648.40 and 199,170.86 is: 298,641.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,284.16 : 724,648.40 = 199,170.86 : x
  2. Step 2: Convert to fraction form
    483,284.16/724,648.40 = 199,170.86/x
  3. Step 3: Cross multiply
    483,284.16x = 724,648.40 × 199,170.86
  4. Step 4: Simplify right side
    483,284.16x = 144,328,845,025.62
  5. Step 5: Solve for x
    x = 144,328,845,025.62/483,284.16
  6. Step 6: Final answer
    x = 298,641.79

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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.