Home / 669,535.76-1,004,303.64-196,221.20

Finding the Fourth Proportional to 669,535.76, 1,004,303.64 and 196,221.20

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Solution

The fourth proportional to 669,535.76, 1,004,303.64 and 196,221.20 is: 294,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,535.76 : 1,004,303.64 = 196,221.20 : x
  2. Step 2: Convert to fraction form
    669,535.76/1,004,303.64 = 196,221.20/x
  3. Step 3: Cross multiply
    669,535.76x = 1,004,303.64 × 196,221.20
  4. Step 4: Simplify right side
    669,535.76x = 197,065,665,405.17
  5. Step 5: Solve for x
    x = 197,065,665,405.17/669,535.76
  6. Step 6: Final answer
    x = 294,331.80

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Double scale
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Similar ratio
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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.