Home / 682,711.80-1,024,057.12-303,532.96

Finding the Fourth Proportional to 682,711.80, 1,024,057.12 and 303,532.96

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Solution

The fourth proportional to 682,711.80, 1,024,057.12 and 303,532.96 is: 455,294.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,711.80 : 1,024,057.12 = 303,532.96 : x
  2. Step 2: Convert to fraction form
    682,711.80/1,024,057.12 = 303,532.96/x
  3. Step 3: Cross multiply
    682,711.80x = 1,024,057.12 × 303,532.96
  4. Step 4: Simplify right side
    682,711.80x = 310,835,088,842.68
  5. Step 5: Solve for x
    x = 310,835,088,842.68/682,711.80
  6. Step 6: Final answer
    x = 455,294.74

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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.