Home / 530,742.20-796,169.19-306,097.61

Finding the Fourth Proportional to 530,742.20, 796,169.19 and 306,097.61

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Solution

The fourth proportional to 530,742.20, 796,169.19 and 306,097.61 is: 459,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,742.20 : 796,169.19 = 306,097.61 : x
  2. Step 2: Convert to fraction form
    530,742.20/796,169.19 = 306,097.61/x
  3. Step 3: Cross multiply
    530,742.20x = 796,169.19 × 306,097.61
  4. Step 4: Simplify right side
    530,742.20x = 243,705,486,214.64
  5. Step 5: Solve for x
    x = 243,705,486,214.64/530,742.20
  6. Step 6: Final answer
    x = 459,178.65

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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.