Home / 669,076.70-1,003,615.05-469,622.30

Finding the Fourth Proportional to 669,076.70, 1,003,615.05 and 469,622.30

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Solution

The fourth proportional to 669,076.70, 1,003,615.05 and 469,622.30 is: 704,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,076.70 : 1,003,615.05 = 469,622.30 : x
  2. Step 2: Convert to fraction form
    669,076.70/1,003,615.05 = 469,622.30/x
  3. Step 3: Cross multiply
    669,076.70x = 1,003,615.05 × 469,622.30
  4. Step 4: Simplify right side
    669,076.70x = 471,320,008,095.62
  5. Step 5: Solve for x
    x = 471,320,008,095.62/669,076.70
  6. Step 6: Final answer
    x = 704,433.45

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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.