Home / 1,525,639.32-2,288,568.42-403,695

Finding the Fourth Proportional to 1,525,639.32, 2,288,568.42 and 403,695

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Solution

The fourth proportional to 1,525,639.32, 2,288,568.42 and 403,695 is: 605,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,639.32 : 2,288,568.42 = 403,695 : x
  2. Step 2: Convert to fraction form
    1,525,639.32/2,288,568.42 = 403,695/x
  3. Step 3: Cross multiply
    1,525,639.32x = 2,288,568.42 × 403,695
  4. Step 4: Simplify right side
    1,525,639.32x = 923,883,628,311.90
  5. Step 5: Solve for x
    x = 923,883,628,311.90/1,525,639.32
  6. Step 6: Final answer
    x = 605,571.46

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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.