Home / 327,907.20-491,860.80-117,566.40

Finding the Fourth Proportional to 327,907.20, 491,860.80 and 117,566.40

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Solution

The fourth proportional to 327,907.20, 491,860.80 and 117,566.40 is: 176,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,907.20 : 491,860.80 = 117,566.40 : x
  2. Step 2: Convert to fraction form
    327,907.20/491,860.80 = 117,566.40/x
  3. Step 3: Cross multiply
    327,907.20x = 491,860.80 × 117,566.40
  4. Step 4: Simplify right side
    327,907.20x = 57,826,303,557.12
  5. Step 5: Solve for x
    x = 57,826,303,557.12/327,907.20
  6. Step 6: Final answer
    x = 176,349.60

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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.