Home / 784,914.66-1,083,331.53-445,414.50

Finding the Fourth Proportional to 784,914.66, 1,083,331.53 and 445,414.50

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Solution

The fourth proportional to 784,914.66, 1,083,331.53 and 445,414.50 is: 614,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,914.66 : 1,083,331.53 = 445,414.50 : x
  2. Step 2: Convert to fraction form
    784,914.66/1,083,331.53 = 445,414.50/x
  3. Step 3: Cross multiply
    784,914.66x = 1,083,331.53 × 445,414.50
  4. Step 4: Simplify right side
    784,914.66x = 482,531,571,769.19
  5. Step 5: Solve for x
    x = 482,531,571,769.19/784,914.66
  6. Step 6: Final answer
    x = 614,756.73

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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.