Home / 455,459.28-683,196.20-202,680.96

Finding the Fourth Proportional to 455,459.28, 683,196.20 and 202,680.96

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Solution

The fourth proportional to 455,459.28, 683,196.20 and 202,680.96 is: 304,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,459.28 : 683,196.20 = 202,680.96 : x
  2. Step 2: Convert to fraction form
    455,459.28/683,196.20 = 202,680.96/x
  3. Step 3: Cross multiply
    455,459.28x = 683,196.20 × 202,680.96
  4. Step 4: Simplify right side
    455,459.28x = 138,470,861,684.35
  5. Step 5: Solve for x
    x = 138,470,861,684.35/455,459.28
  6. Step 6: Final answer
    x = 304,024.68

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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.