Home / 984,694.74-1,477,227.39-678,240.15

Finding the Fourth Proportional to 984,694.74, 1,477,227.39 and 678,240.15

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Solution

The fourth proportional to 984,694.74, 1,477,227.39 and 678,240.15 is: 1,017,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,694.74 : 1,477,227.39 = 678,240.15 : x
  2. Step 2: Convert to fraction form
    984,694.74/1,477,227.39 = 678,240.15/x
  3. Step 3: Cross multiply
    984,694.74x = 1,477,227.39 × 678,240.15
  4. Step 4: Simplify right side
    984,694.74x = 1,001,914,919,191.57
  5. Step 5: Solve for x
    x = 1,001,914,919,191.57/984,694.74
  6. Step 6: Final answer
    x = 1,017,487.84

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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.