Home / 551,971.68-827,957.55-172,895.64

Finding the Fourth Proportional to 551,971.68, 827,957.55 and 172,895.64

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Solution

The fourth proportional to 551,971.68, 827,957.55 and 172,895.64 is: 259,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,971.68 : 827,957.55 = 172,895.64 : x
  2. Step 2: Convert to fraction form
    551,971.68/827,957.55 = 172,895.64/x
  3. Step 3: Cross multiply
    551,971.68x = 827,957.55 × 172,895.64
  4. Step 4: Simplify right side
    551,971.68x = 143,150,250,500.08
  5. Step 5: Solve for x
    x = 143,150,250,500.08/551,971.68
  6. Step 6: Final answer
    x = 259,343.47

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Similar ratio
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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.