Home / 984,022.80-1,475,112.60-770,672.40

Finding the Fourth Proportional to 984,022.80, 1,475,112.60 and 770,672.40

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Solution

The fourth proportional to 984,022.80, 1,475,112.60 and 770,672.40 is: 1,155,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,022.80 : 1,475,112.60 = 770,672.40 : x
  2. Step 2: Convert to fraction form
    984,022.80/1,475,112.60 = 770,672.40/x
  3. Step 3: Cross multiply
    984,022.80x = 1,475,112.60 × 770,672.40
  4. Step 4: Simplify right side
    984,022.80x = 1,136,828,567,712.24
  5. Step 5: Solve for x
    x = 1,136,828,567,712.24/984,022.80
  6. Step 6: Final answer
    x = 1,155,286.82

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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.