Home / 477,561.62-658,975.22-322,849.60

Finding the Fourth Proportional to 477,561.62, 658,975.22 and 322,849.60

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Solution

The fourth proportional to 477,561.62, 658,975.22 and 322,849.60 is: 445,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,561.62 : 658,975.22 = 322,849.60 : x
  2. Step 2: Convert to fraction form
    477,561.62/658,975.22 = 322,849.60/x
  3. Step 3: Cross multiply
    477,561.62x = 658,975.22 × 322,849.60
  4. Step 4: Simplify right side
    477,561.62x = 212,749,882,925.23
  5. Step 5: Solve for x
    x = 212,749,882,925.23/477,561.62
  6. Step 6: Final answer
    x = 445,492.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.