Home / 741,613.60-1,023,446.92-419,371.90

Finding the Fourth Proportional to 741,613.60, 1,023,446.92 and 419,371.90

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Solution

The fourth proportional to 741,613.60, 1,023,446.92 and 419,371.90 is: 578,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,613.60 : 1,023,446.92 = 419,371.90 : x
  2. Step 2: Convert to fraction form
    741,613.60/1,023,446.92 = 419,371.90/x
  3. Step 3: Cross multiply
    741,613.60x = 1,023,446.92 × 419,371.90
  4. Step 4: Simplify right side
    741,613.60x = 429,204,879,389.55
  5. Step 5: Solve for x
    x = 429,204,879,389.55/741,613.60
  6. Step 6: Final answer
    x = 578,744.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.