Home / 984,215.88-1,475,798.94-509,724.36

Finding the Fourth Proportional to 984,215.88, 1,475,798.94 and 509,724.36

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Solution

The fourth proportional to 984,215.88, 1,475,798.94 and 509,724.36 is: 764,314.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,215.88 : 1,475,798.94 = 509,724.36 : x
  2. Step 2: Convert to fraction form
    984,215.88/1,475,798.94 = 509,724.36/x
  3. Step 3: Cross multiply
    984,215.88x = 1,475,798.94 × 509,724.36
  4. Step 4: Simplify right side
    984,215.88x = 752,250,670,180.18
  5. Step 5: Solve for x
    x = 752,250,670,180.18/984,215.88
  6. Step 6: Final answer
    x = 764,314.71

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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.