Home / 669,358.30-1,004,815.05-403,419.10

Finding the Fourth Proportional to 669,358.30, 1,004,815.05 and 403,419.10

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Solution

The fourth proportional to 669,358.30, 1,004,815.05 and 403,419.10 is: 605,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,358.30 : 1,004,815.05 = 403,419.10 : x
  2. Step 2: Convert to fraction form
    669,358.30/1,004,815.05 = 403,419.10/x
  3. Step 3: Cross multiply
    669,358.30x = 1,004,815.05 × 403,419.10
  4. Step 4: Simplify right side
    669,358.30x = 405,361,583,137.46
  5. Step 5: Solve for x
    x = 405,361,583,137.46/669,358.30
  6. Step 6: Final answer
    x = 605,597.31

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Double scale
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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.