Home / 746,609.82-1,030,321.80-424,311.60

Finding the Fourth Proportional to 746,609.82, 1,030,321.80 and 424,311.60

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Solution

The fourth proportional to 746,609.82, 1,030,321.80 and 424,311.60 is: 585,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,609.82 : 1,030,321.80 = 424,311.60 : x
  2. Step 2: Convert to fraction form
    746,609.82/1,030,321.80 = 424,311.60/x
  3. Step 3: Cross multiply
    746,609.82x = 1,030,321.80 × 424,311.60
  4. Step 4: Simplify right side
    746,609.82x = 437,177,491,472.88
  5. Step 5: Solve for x
    x = 437,177,491,472.88/746,609.82
  6. Step 6: Final answer
    x = 585,550.15

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Double scale
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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.