Home / 1,099,847.28-1,517,787.20-616,412.28

Finding the Fourth Proportional to 1,099,847.28, 1,517,787.20 and 616,412.28

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Solution

The fourth proportional to 1,099,847.28, 1,517,787.20 and 616,412.28 is: 850,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,847.28 : 1,517,787.20 = 616,412.28 : x
  2. Step 2: Convert to fraction form
    1,099,847.28/1,517,787.20 = 616,412.28/x
  3. Step 3: Cross multiply
    1,099,847.28x = 1,517,787.20 × 616,412.28
  4. Step 4: Simplify right side
    1,099,847.28x = 935,582,668,506.82
  5. Step 5: Solve for x
    x = 935,582,668,506.82/1,099,847.28
  6. Step 6: Final answer
    x = 850,647.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.