Home / 645,559.33-968,393.20-196,284.11

Finding the Fourth Proportional to 645,559.33, 968,393.20 and 196,284.11

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Solution

The fourth proportional to 645,559.33, 968,393.20 and 196,284.11 is: 294,442.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,559.33 : 968,393.20 = 196,284.11 : x
  2. Step 2: Convert to fraction form
    645,559.33/968,393.20 = 196,284.11/x
  3. Step 3: Cross multiply
    645,559.33x = 968,393.20 × 196,284.11
  4. Step 4: Simplify right side
    645,559.33x = 190,080,192,059.38
  5. Step 5: Solve for x
    x = 190,080,192,059.38/645,559.33
  6. Step 6: Final answer
    x = 294,442.64

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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.