Home / 551,815.20-828,037.17-214,812.14

Finding the Fourth Proportional to 551,815.20, 828,037.17 and 214,812.14

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Solution

The fourth proportional to 551,815.20, 828,037.17 and 214,812.14 is: 322,340.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,815.20 : 828,037.17 = 214,812.14 : x
  2. Step 2: Convert to fraction form
    551,815.20/828,037.17 = 214,812.14/x
  3. Step 3: Cross multiply
    551,815.20x = 828,037.17 × 214,812.14
  4. Step 4: Simplify right side
    551,815.20x = 177,872,432,347.06
  5. Step 5: Solve for x
    x = 177,872,432,347.06/551,815.20
  6. Step 6: Final answer
    x = 322,340.58

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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.