Home / 869,403.60-1,303,497.90-514,234.80

Finding the Fourth Proportional to 869,403.60, 1,303,497.90 and 514,234.80

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Solution

The fourth proportional to 869,403.60, 1,303,497.90 and 514,234.80 is: 770,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,403.60 : 1,303,497.90 = 514,234.80 : x
  2. Step 2: Convert to fraction form
    869,403.60/1,303,497.90 = 514,234.80/x
  3. Step 3: Cross multiply
    869,403.60x = 1,303,497.90 × 514,234.80
  4. Step 4: Simplify right side
    869,403.60x = 670,303,981,906.92
  5. Step 5: Solve for x
    x = 670,303,981,906.92/869,403.60
  6. Step 6: Final answer
    x = 770,992.88

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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.