Home / 738,313.28-1,107,532.46-205,834.83

Finding the Fourth Proportional to 738,313.28, 1,107,532.46 and 205,834.83

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Solution

The fourth proportional to 738,313.28, 1,107,532.46 and 205,834.83 is: 308,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,313.28 : 1,107,532.46 = 205,834.83 : x
  2. Step 2: Convert to fraction form
    738,313.28/1,107,532.46 = 205,834.83/x
  3. Step 3: Cross multiply
    738,313.28x = 1,107,532.46 × 205,834.83
  4. Step 4: Simplify right side
    738,313.28x = 227,968,754,594.41
  5. Step 5: Solve for x
    x = 227,968,754,594.41/738,313.28
  6. Step 6: Final answer
    x = 308,769.68

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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.