Home / 669,544.60-1,004,371.53-314,364.88

Finding the Fourth Proportional to 669,544.60, 1,004,371.53 and 314,364.88

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Solution

The fourth proportional to 669,544.60, 1,004,371.53 and 314,364.88 is: 471,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,544.60 : 1,004,371.53 = 314,364.88 : x
  2. Step 2: Convert to fraction form
    669,544.60/1,004,371.53 = 314,364.88/x
  3. Step 3: Cross multiply
    669,544.60x = 1,004,371.53 × 314,364.88
  4. Step 4: Simplify right side
    669,544.60x = 315,739,135,503.87
  5. Step 5: Solve for x
    x = 315,739,135,503.87/669,544.60
  6. Step 6: Final answer
    x = 471,572.97

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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.