Home / 1,085,594.40-1,628,395.79-454,065.21

Finding the Fourth Proportional to 1,085,594.40, 1,628,395.79 and 454,065.21

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Solution

The fourth proportional to 1,085,594.40, 1,628,395.79 and 454,065.21 is: 681,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,594.40 : 1,628,395.79 = 454,065.21 : x
  2. Step 2: Convert to fraction form
    1,085,594.40/1,628,395.79 = 454,065.21/x
  3. Step 3: Cross multiply
    1,085,594.40x = 1,628,395.79 × 454,065.21
  4. Step 4: Simplify right side
    1,085,594.40x = 739,397,874,079.14
  5. Step 5: Solve for x
    x = 739,397,874,079.14/1,085,594.40
  6. Step 6: Final answer
    x = 681,099.57

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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.