Home / 738,179.20-1,107,268.80-264,912.40

Finding the Fourth Proportional to 738,179.20, 1,107,268.80 and 264,912.40

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Solution

The fourth proportional to 738,179.20, 1,107,268.80 and 264,912.40 is: 397,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,179.20 : 1,107,268.80 = 264,912.40 : x
  2. Step 2: Convert to fraction form
    738,179.20/1,107,268.80 = 264,912.40/x
  3. Step 3: Cross multiply
    738,179.20x = 1,107,268.80 × 264,912.40
  4. Step 4: Simplify right side
    738,179.20x = 293,329,235,253.12
  5. Step 5: Solve for x
    x = 293,329,235,253.12/738,179.20
  6. Step 6: Final answer
    x = 397,368.60

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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.