Home / 669,874.30-1,004,811.45-404,153.80

Finding the Fourth Proportional to 669,874.30, 1,004,811.45 and 404,153.80

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Solution

The fourth proportional to 669,874.30, 1,004,811.45 and 404,153.80 is: 606,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,874.30 : 1,004,811.45 = 404,153.80 : x
  2. Step 2: Convert to fraction form
    669,874.30/1,004,811.45 = 404,153.80/x
  3. Step 3: Cross multiply
    669,874.30x = 1,004,811.45 × 404,153.80
  4. Step 4: Simplify right side
    669,874.30x = 406,098,365,801.01
  5. Step 5: Solve for x
    x = 406,098,365,801.01/669,874.30
  6. Step 6: Final answer
    x = 606,230.70

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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.