Home / 551,941.76-828,004.84-172,787.04

Finding the Fourth Proportional to 551,941.76, 828,004.84 and 172,787.04

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Solution

The fourth proportional to 551,941.76, 828,004.84 and 172,787.04 is: 259,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,941.76 : 828,004.84 = 172,787.04 : x
  2. Step 2: Convert to fraction form
    551,941.76/828,004.84 = 172,787.04/x
  3. Step 3: Cross multiply
    551,941.76x = 828,004.84 × 172,787.04
  4. Step 4: Simplify right side
    551,941.76x = 143,068,504,977.31
  5. Step 5: Solve for x
    x = 143,068,504,977.31/551,941.76
  6. Step 6: Final answer
    x = 259,209.42

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1.5x scale

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.